Bohr, Niels - Atomtheorie und Naturbeschreibung. Vier Aufsätze mit einer einleitenden Übersicht.

Berlin, Verlag Julius Springer, 1931, wrappers, 8vo, 77 pp., Atomtheorie und Mechanik (1925); das Quantenpostulat (1927); Wirkungsquantum und Naturbeschreibung (1929); Prinzipien der Naturbeschreibung (1929); VG condition. . .

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