Physics

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London, Harrison and Sons, 1930 a. 1932.

RYDBERG, JOHANNES ROBERT.

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BOERNER, HERMANN.

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BOHR, NIELS.

Copenhagen., 1948.

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Kbhvn., 1929.

EULER, LEONHARD - THE PRINCIPLE OF LEAST ACTION

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VOLTERRA, VITO.

Berlin, Stockholm, Paris, Beijer, 1899.

DEBYE, P.

New York, Dover Publ., 1945.

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Paris, Durand, Pissot, 1753.

CAVENDISH, HENRY. - WEIGHING THE WORLD - THE MOST IMPORTENT ADDITION TO GRAVITATION THEORY SINCE NEWTON.

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BJERKNES, VILHELM und H. SOLBERG.

Oslo, Dybwad, 1929.

BROGLIE, LOUIS de.

(Paris, Gauthier-Villars), 1939.

SCHRÖDINGER, ERWIN.

Berlin, Springer, 1920.

WEBER, HEINRICH FRIEDRICH.

Leipzig, Johann Ambrosius Barth, 1875.

DICKE, R. H. (+) W. B. HAWKINS.

Lancaster, AMerican Physical Society, 1953.