(1929). Vol. 34, № 1-6; Physical Review. Second Series. 1929.
Cita Chicago (17th ed.)Vol. 34, № 1-6; Physical Review. Second Series. 1929, 1929.
Cita MLA (9th ed.)Vol. 34, № 1-6; Physical Review. Second Series. 1929, 1929.
Atenció: Aquestes cites poden no estar 100% correctes.