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‎Beiträge zur Quantentheorie"‎

‎Braunschweig, Vieweg & Sohn, 1914. No wrappers. ""Verhandlungen der Deutschen Physikalischen Gesellschaft im Jahre 1914. Hrsg. von Karl Scheel."", 16. Jahrgang, Nr. 16. Pp. (765-) 834. (Entire issue offered). With the general titlepage to 16. Jahrg. Titlepage stamped at foot. Einstein paper pp. 820-828.‎

‎First edition. In this paper ""Contributions to quantum theory"" two considerations are given which are interrelated by a common goal, inasmuch as it is attempted to derive two of the most importent achievementss of quantum theory, viz. Planck's radiation law and Nernst's third law of thermodynamics, in a new manner. The proofs do not involve Boltzmann's equation and are thus based enterely on macroscopic thermodynamics. They do introduce, however, the quantum hupothesis. (Einstein points out that the alleged 'proofs' which try to derive the theorem of Nernst from the mere fact that the heat capacity of all substances goes to zero at absolute zero temterature, are not genuine). (Cornelius Lanczos).Weil No 67.‎