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Planck, M.
Vorlesungen über die Theorie der Wärmestrahlung.
Leipsic, J.A. Barth, 1906, 1st ed., VIII,222,(2)p., orig. cl.
- Bookblock shaken. Joints splitting.
= ANNOTATED COPY by PAUL EHRENFEST on p.15, p.148-154 and p.176f in pencil and pen and ink.