Results for 'Rayleigh–Jeans spectrum'

957 found
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  1.  65
    Connecting Blackbody Radiation, Relativity, and Discrete Charge in Classical Electrodynamics.Timothy H. Boyer - 2007 - Foundations of Physics 37 (7):999-1026.
    It is suggested that an understanding of blackbody radiation within classical physics requires the presence of classical electromagnetic zero-point radiation, the restriction to relativistic (Coulomb) scattering systems, and the use of discrete charge. The contrasting scaling properties of nonrelativistic classical mechanics and classical electrodynamics are noted, and it is emphasized that the solutions of classical electrodynamics found in nature involve constants which connect together the scales of length, time, and energy. Indeed, there are analogies between the electrostatic forces for groups (...)
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  2.  97
    Scaling symmetry and thermodynamic equilibrium for classical electromagnetic radiation.Timothy H. Boyer - 1989 - Foundations of Physics 19 (11):1371-1383.
    At present classical physics contains two contradictory groups of derivations of the equilibrium spectrum of random classical electromagnetic radiation. One group of derivations finds Planck's spectrum based upon the use of classical electromagnetic zero-point radiation and fundamental ideas of thermodynamics. The other group of derivations finds the Rayleigh-Jeans spectrum from scattering equilibrium for non-linear mechanical systems in the limit of small charge coupling to radiation. Here we examine the scaling symmetries of classical thermal radiation. We find that, (...)
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  3.  83
    Blackbody Radiation and the Scaling Symmetry of Relativistic Classical Electron Theory with Classical Electromagnetic Zero-Point Radiation.Timothy H. Boyer - 2010 - Foundations of Physics 40 (8):1102-1116.
    It is pointed out that relativistic classical electron theory with classical electromagnetic zero-point radiation has a scaling symmetry which is suitable for understanding the equilibrium behavior of classical thermal radiation at a spectrum other than the Rayleigh-Jeans spectrum. In relativistic classical electron theory, the masses of the particles are the only scale-giving parameters associated with mechanics while the action-angle variables are scale invariant. The theory thus separates the interaction of the action variables of matter and radiation from the (...)
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  4. The “minimal self” in psychopathology: Re-examining the self-disorders in the schizophrenia spectrum☆.Michel Cermolacce, Jean Naudin & Josef Parnas - 2007 - Consciousness and Cognition 16 (3):703-714.
    The notion of minimal, basic, pre-reflective or core self is currently debated in the philosophy of mind, cognitive sciences and developmental psychology. However, it is not clear which experiential features such a self is believed to possess. Studying the schizophrenic experience may help exploring the following aspects of the minimal self: the notion of perspective and first person perspective, the ‘mineness’ of the phenomenal field, the questions of transparency, embodiment of point of view, and the issues of agency and ownership, (...)
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  5.  50
    A Multidimensional Approach to the Study of Emotion Recognition in Autism Spectrum Disorders.Jean Xavier, Violaine Vignaud, Rosa Ruggiero, Nicolas Bodeau, David Cohen & Laurence Chaby - 2015 - Frontiers in Psychology 6.
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  6.  26
    Impairments of Social Motor Synchrony Evident in Autism Spectrum Disorder.Paula Fitzpatrick, Jean A. Frazier, David M. Cochran, Teresa Mitchell, Caitlin Coleman & R. C. Schmidt - 2016 - Frontiers in Psychology 7:197578.
    Social interactions typically involve movements of the body that become synchronized over time and both intentional and spontaneous interactional synchrony have been found to be an essential part of successful human interaction. However, our understanding of the importance of temporal dimensions of social motor synchrony in social dysfunction is limited. Here, we used a pendulum coordination paradigm to assess dynamic, process-oriented measures of social motor synchrony in adolescents with and without autism spectrum disorder (ASD). Our data indicate that adolescents (...)
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  7.  24
    Interpersonal Synchronization, Motor Coordination, and Control Are Impaired During a Dynamic Imitation Task in Children With Autism Spectrum Disorder.Jean Xavier, Soizic Gauthier, David Cohen, Mohamed Zahoui, Mohamed Chetouani, François Villa, Alain Berthoz & Salvatore Anzalone - 2018 - Frontiers in Psychology 9.
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  8.  16
    What makes a difference? Symmetry as a sociological concept.Jean-Sébastien Guy & Steffen Roth - forthcoming - Theory and Society:1-18.
    This article discusses symmetry as an analytical tool for sociological analysis. Symmetry is presented as a property of social formations and a way to generate information about them through their mutual comparisons. The concept thus displaces the old dichotomy between individual and society. The latter forces to think in terms of wholes and parts, unduly limiting the possibilities at hand by keeping individuals as prisoners of societies, as it were. Symmetry opens the door for more alternatives by making room for (...)
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  9.  41
    Defining Life.Jean Gayon, Christophe Malaterre, Michel Morange, Florence Raulin-Cerceau & Stéphane Tirard - unknown
    This Special Issue of Origins of Life and Evolution of Biospheres contains papers based on the contributions presented at the Conference "Defining Life" held in Paris (France) on 4-5 February, 2008. The main objective of this Conference was to confront speakers from several disciplines--chemists, biochemists, biologists, exo/astrobiologists, computer scientists, philosophers and historians of science--on the topic of the definition of life. Different viewpoints of the problem approached from different perspectives have been expounded and, as a result, common grounds as well (...)
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  10. The B(3) field: Its role in the Rayleigh-Jeans law, Planck law, and Einstein coefficients. [REVIEW]M. W. Evans - 1995 - Foundations of Physics 25 (2):383-389.
    The role of the novel longitudinal vacuum fieldB (3)is discussed in relation to fundamental radiation laws: the Rayleigh-Jeans law, the Planck law, and the Einstein coefficients. The circular index (3) ofB (3)causes electromagnetic energy density to be redistributed from the other indices (1) and (2) of the circular basis, but the presence ofB (3)in the vacuum does not change the value of the Planck constant h. TheB (3)field does not affect, furthermore, the understanding of quantized radiation absorption first proposed by (...)
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  11.  13
    Das Böse.Jean-Claude Wolf - 2011 - Boston: De Gruyter.
    The evil - das Bose - stands for dreadful deeds and neglect. Its symbolism is that of the impure, the dark and the inferior. It takes hold through habits and institutions, in collective collaboration, in exclusion and marginalization, excessive punishments and despotism. Evil is also rife in the war against evil. As well as the means of prevention, a broad spectrum of reflection and consideration is also devoted to past evil in the form of remembering, guilt and remorse. As (...)
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  12.  31
    Foreword.Jean-Pierre Cometti - 1993 - Argumentation 6 (4):375-376.
    The essays collected in this issue all stem from talks delivered at the International Conference, Aesthetic preferences, language games and forms of life: from Ludwig Wittgenstein, which was held on 23-25 January 2013 in the Aula Magna of the Faculty of Education at the University of Florence. Contributions are here published in the same order they were presented at the Conference. With fruitful variety of approach, the entire thematic spectrum of the relationship between Wittgenstein and aesthetics is covered: 1) (...)
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  13.  35
    Behavioral Own-Body-Transformations in Children and Adolescents With Typical Development, Autism Spectrum Disorder, and Developmental Coordination Disorder.Soizic Gauthier, Salvatore M. Anzalone, David Cohen, Mohamed Zaoui, Mohamed Chetouani, François Villa, Alain Berthoz & Jean Xavier - 2018 - Frontiers in Psychology 9.
  14. A Misleading Naming Convention: De Sitter ‘Tachyonic’ Scalar Fields.Jean-Pierre Gazeau & Hamed Pejhan - 2025 - Foundations of Physics 55 (1):1-12.
    We revisit the concept of de Sitter (dS) ‘tachyonic’ scalar fields, characterized by discrete negative squared mass values, and assess their physical significance through a rigorous Wigner-inspired group-theoretical analysis. This perspective demonstrates that such fields, often misinterpreted as inherently unstable due to their mass parameter, are best understood within the framework of unitary irreducible representations (UIRs) of the dS group. The discrete mass spectrum arises naturally in this representation framework, offering profound insights into the interplay between dS relativity and (...)
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  15.  28
    Developmental changes in face visual scanning in autism spectrum disorder as assessed by data-based analysis.Anouck Amestoy, Etienne Guillaud, Manuel P. Bouvard & Jean-René Cazalets - 2015 - Frontiers in Psychology 6.
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  16.  15
    Acknowledging caregivers’ vulnerability in the managment of challenging behaviours to reduce control measures in psychiatry.Jean Lefèvre-Utile, Marjorie Montreuil, Amélie Perron, Aymeric Reyre & Franco Carnevale - 2022 - Nursing Ethics 29 (3):758-779.
    Background: The management of challenging behaviours in inpatient with intellectual disability and/or autism spectrum disorders can lead to an escalation of control measures. In these complex situations where patients have an intellectual disability/autism spectrum disorder accompanied by a psychiatric comorbidity, the experiences of caregivers related to the crisis management have rarely been studied. Purpose: This study examined the moral experiences of caregivers related to challenging behaviours’ management and alternatives to control measures. Research design: Using Charles Taylor’s hermeneutic framework, (...)
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  17.  62
    Introduction: The Boundaries of Disease.Mary Jean Walker & Wendy A. Rogers - 2017 - Journal of Medicine and Philosophy 42 (4):343-349.
    Although health and disease occupy opposite ends of a spectrum, distinguishing between them can be difficult. This is the “line-drawing” problem. The papers in this special issue engage with this challenge of delineating the boundaries of disease. The authors explore different views as to where the boundary between disease and nondisease lies, and related questions, such as how we can identify, or decide, what counts as a disease and what does not; the nature of the boundary between the two (...)
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  18.  29
    Positive Effect of Visual Cuing in Episodic Memory and Episodic Future Thinking in Adolescents With Autism Spectrum Disorder.Marine Anger, Prany Wantzen, Justine Le Vaillant, Joëlle Malvy, Laetitia Bon, Fabian Guénolé, Edgar Moussaoui, Catherine Barthelemy, Frédérique Bonnet-Brilhault, Francis Eustache, Jean-Marc Baleyte & Bérengère Guillery-Girard - 2019 - Frontiers in Psychology 10.
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  19.  7
    The Brain.Gerald M. Edelman & Jean-Pierre Changeux - 2001 - Routledge.
    One of the vastly exciting areas in modern science involves the study of the brain. Recent research focuses not only on how the brain works but how it is related to what we normally call the mind, and throws new light on human behavior. Progress has been made in researching all that relates to interior man, why he thinks and feels as he does, what values he chooses to adopt, and what practices to scorn. All of these attributes make us (...)
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  20.  19
    A Matter of Balance: A French Perspective on Limited Strikes.Jean-Baptiste Jeangène Vilmer - 2020 - Ethics and International Affairs 34 (2):201-215.
    What are the philosophical arguments justifying limited strikes? This essay, as part of the roundtable “The Ethics of Limited Strikes,” adopts a French perspective both because France is, along with the United States and the United Kingdom, one of the states that launched such limited strikes in recent years, and because it developed a limited warfare ethos. There is something specific about such an ethos that makes it particularly receptive to thejus ad vimframework and, therefore, to the issue of limited (...)
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  21. New Dimensions of the Square of Opposition.Jean-Yves Béziau & Stamatios Gerogiorgakis (eds.) - 2017 - Munich: Philosophia.
    The square of opposition is a diagram related to a theory of oppositions that goes back to Aristotle. Both the diagram and the theory have been discussed throughout the history of logic. Initially, the diagram was employed to present the Aristotelian theory of quantification, but extensions and criticisms of this theory have resulted in various other diagrams. The strength of the theory is that it is at the same time fairly simple and quite rich. The theory of oppositions has recently (...)
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  22.  24
    Social gaze training for Autism Spectrum Disorder using eye-tracking and virtual humans.Ouriel Grynszpan, Julie Bouteiller, Séverine Grynszpan, Jean-Claude Martin & Jacqueline Nadel - 2022 - Interaction Studies 23 (1):89-115.
    Background: Individuals with Autism Spectrum Disorder (ASD) have pronounced difficulties in attending to relevant visual information during social interactions. Method: We designed and evaluated the feasibility of a novel method to train this ability, by exposing participants to virtual human characters displayed on a screen which was entirely blurred, except for a gaze-contingent viewing window that followed participants’ eyes direction. The goal was to incite participants to direct their gaze towards the facial expressions of the virtual characters. Twenty-one adolescents (...)
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  23.  43
    Autobiographical Memory and Social Identity in Autism: Preliminary Results of Social Positioning and Cognitive Intervention.Prany Wantzen, Amélie Boursette, Elodie Zante, Jeanne Mioche, Francis Eustache, Fabian Guénolé, Jean-Marc Baleyte & Bérengère Guillery-Girard - 2021 - Frontiers in Psychology 12.
    Autobiographical memory (AM) is closely linked to the self-concept, and fulfills directive, identity, social, and adaptive functions. Individuals with autism spectrum disorder (ASD) are now known to have atypical AM, which may be closely associated with social communication difficulties. This may result in qualitatively different autobiographical narratives, notably regarding social identity. In the present study, we sought to investigate this concept and develop a cognitive intervention targeting individuals with ASD. First, 13 adolescents with ASD and 13 typically developing adolescents (...)
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  24.  52
    A Code of Digital Ethics: laying the foundation for digital ethics in a science and technology company.Sarah J. Becker, André T. Nemat, Simon Lucas, René M. Heinitz, Manfred Klevesath & Jean Enno Charton - 2023 - AI and Society 38 (6):2629-2639.
    The rapid and dynamic nature of digital transformation challenges companies that wish to develop and deploy novel digital technologies. Like other actors faced with this transformation, companies need to find robust ways to ethically guide their innovations and business decisions. Digital ethics has recently featured in a plethora of both practical corporate guidelines and compilations of high-level principles, but there remains a gap concerning the development of sound ethical guidance in specific business contexts. As a multinational science and technology company (...)
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  25.  44
    Local Processing Bias Impacts Implicit and Explicit Memory in Autism.Karine Lebreton, Joëlle Malvy, Laetitia Bon, Alice Hamel-Desbruères, Geoffrey Marcaggi, Patrice Clochon, Fabian Guénolé, Edgar Moussaoui, Dermot M. Bowler, Frédérique Bonnet-Brilhault, Francis Eustache, Jean-Marc Baleyte & Bérengère Guillery-Girard - 2021 - Frontiers in Psychology 12:622462.
    Autism spectrum disorder (ASD) is characterized by atypical perception, including processing that is biased toward local details rather than global configurations. This bias may impact on memory. The present study examined the effect of this perception on both implicit (Experiment 1) and explicit (Experiment 2) memory in conditions that promote either local or global processing. The first experiment consisted of an object identification priming task using two distinct encoding conditions: one favoring local processing (Local condition) and the other favoring (...)
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  26.  11
    The Spectrum of Political Engagement: Mounier, Benda, Nizan, Brasillach, Sartre.David L. Schalk - 1979 - Princeton: Princeton University Press.
    Why do artists, poets, philosophers, writers, and others who are usually classified as intellectuals leave the ivory tower to "dirty their hands" in the political arena? In an effort to illuminate the intellectual's struggle to come to grips with the issues raised by political involvement, David Schalk examines the life and thought of five intellectuels engagés in France during the period between 1920 and 1945. From communist to fascist, these figures—Paul Nizan, Jean-Paul Sartre, Emmanuel Mounier, Julien Benda, and Robert Brasillach—cover (...)
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  27.  18
    Pierre de Jean Olivi - Philosophe Et Théologien: Actes du Colloque de Philosophie Médiévale, 24 - 25 Octobre 2008, Université de Fribourg.Catherine König-Pralong, Olivier Ribordy & Tiziana Suarez-Nani (eds.) - 2010 - De Gruyter.
    ?Petrus Johannis Olivi is today considered one of the most important intellectuals of the second half of the 13th century. Although he died at a young age, he left behind an impressive philosophical and theological work which was placed under the censure of the Church various times. The contributions in this volume reveal a broad spectrum of Olivi's different scholarly methods, demonstrating his intellectual activity and presenting some of his most original philosophical theories.".
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  28.  98
    Intertheory relations from unified theories.Gebhard Geiger - 1991 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 22 (2):263-282.
    Summary The concept of unified theory is defined in logical and abstract semantic terms, and employed in the analysis of relations between empirical scientific theories. The conceptual framework of the approach applies to binary relations such as the reduction or replacement of one theory by another, and to multiple intertheory relations. Historically, unified theories tend to arise within the contexts of scientific conflicts which they may show susceptible of solution even in the most controversial cases of the logical incompatibility or (...)
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  29. The Mysterious Universe.James Jeans - 1931 - Philosophy 6 (22):243-245.
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  30. (1 other version)Physics and Philosophy.James Jeans - 1944 - Science and Society 8 (3):287-288.
     
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  31. Le statut ontologique du possible selon Suárez.Jeans-François Courtine - 1980 - Cuadernos Salmantinos de Filosofía 7:247-267.
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  32. Fisica e Filosofia.James Jeans & Alberto Candeias - 1945 - Revista Portuguesa de Filosofia 1 (4):416-419.
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  33. Fīzīk va falsafah.James Jeans - 1965 - Tihrān: Bungāh-i Tarjumah va Nashr-i Kitāb. Edited by ʻAlī Qulī Bayānī.
     
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  34.  17
    Le progres scientifique.James Jeans - 1939 - Philosophical Review 48:656.
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  35. The motions of the stars.J. H. Jeans - 1923 - Scientia 17 (33):181.
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  36.  28
    (1 other version)Physics and philosophy.James Jeans - 1943 - New York: Dover Publications.
    A noted scientist illuminates the intertwined paths of philosophy and science from Plato to the present, and examines the transition from Newtonian classical mechanics to modern relativistic physics.
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  37.  24
    The Mathematical Aspect of the Universe.James Jeans - 1932 - Philosophy 7 (25):3 - 14.
    In Plutarch’s Quæstiones Conviviales there is a discussion on the topic—π.
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  38.  28
    Het nieuwe Wereld-beeld van de moderne Physica.Sir James H. Jeans - 1936 - Synthese 1 (1):160-169.
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  39.  3
    I nuovi orizzonti della scienza.James Jeans - 1943 - Firenze,: Sansoni.
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  40. Le mystérieux univers.James Jeans, M. Billaudel & J. Rossignol - 1932 - Revue de Métaphysique et de Morale 39 (4):3-5.
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  41. La position actuelle de l'hypothèse nébulaire.J. H. Jeans - 1918 - Scientia 12 (24):71.
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  42.  1
    Physics & philosophy.James Jeans - 1942 - New York,: Macmillan.
  43. The New Background of Science.James Jeans - 1933 - Philosophy 8 (32):489-489.
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  44. The Universe around Us.James Jeans - 1930 - Humana Mente 5 (17):118-119.
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  45.  6
    Today and Tomorrow Volume 9 Science and Medicine: Eos or the Wider Aspects of Cosmogony Hermes, or the Future of Chemistry Sybilla, or the Revival of Prophecy Archimedes or the Future of Physics.Jones Jeans - 2008 - Routledge.
    Eos or the Wider Aspects of Cosmogony J H Jeans Originally published in 1928 "A fascinating summary of his tremendous conclusions…" Times Literary Supplement "No book in the series surpasses Eos in brilliance and profundity…" Is this universe permanent or transitory? If transitory, is it near its end or just beginning? Is life common or rare? Where does life stand in relation t the stupendous mass of inert matter? These and other issues are lucidly dealt with in this book. 80pp, (...)
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  46.  34
    Het nieuwe wereld-beeld Van de moderne physica.James H. Jeans - 1936 - Synthese 1 (1):160 - 169.
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  47. L'origine des étoiles binaires.J. K. Jeans - 1922 - Scientia 16 (31):1.
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  48. The Astronomical Horizon.James Jeans - 1946 - Philosophy 21 (79):181-182.
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  49.  4
    The new background of science.James Jeans - 1933 - [Ann Arbor]: University of Michigan Press.
    Published in 1934 as a second edition to James Jeans' popular work on the general understanding of the physical universe, The New Background of Science took advantage of a comparatively 'quiescent' period in physical investigation when fundamental theories and findings gained wide acceptance. Jeans' aim in writing this book was to depict this 'situation in broad outline and in the simplest possible terms. I have drawn my picture against a roughly sketched background of rudimentary philosophy... because I believe, in common (...)
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  50. The Origin of Binary Stars.J. K. Jeans - 1922 - Scientia 16 (31):11.
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