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6by Helmholtz, Hermann von, 1821-1894Table of Contents: “... Principien der Akustik -- v. 4. Elektrodynamik und Theorie des Magnetismus -- v. 5. Elektromagnetische...”
Published 1897
Microform Book -
7by Helmholtz, Hermann von, 1821-1894Table of Contents: “... nature.--The relation of the natural sciences to science in general.--Recent progress in the theory...”
Published 1971
Book