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Lenard in 1905
Lenard in 1905
Philipp Lenard. Deutsche Physik, 2. Band – Akustik und Wärmelehre. München, 1936–1937
Philipp Lenard. Deutsche Physik, 2. Band – Akustik und Wärmelehre. München, 1936–1937
Johannes Stark
Johannes Stark