(1967). Vol. 159, № 2; Physical Review. Second Series. 1967.
Cita Chicago (17th ed.)Vol. 159, № 2; Physical Review. Second Series. 1967, 1967.
Cita MLA (9th ed.)Vol. 159, № 2; Physical Review. Second Series. 1967, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.