WIENER, Philip P., & Aaron NOLAND, editors.
WIEDEMANN, Gustave Heinrich (1826-1899).
[Physics & technology]
SOMMERFELD, Arnold (1868-1951).
ELSTER, Johann Philipp Ludwig Julius (1854-1920) & F. K. Hans GEITEL (1855-1923).
SEITZ, Frederick (b. 1911) & Norman G. EINSPRUCH.
FISCHER, Eduard.
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