(1959). Vol. 6, № 12, Abstracts 4655-5073; Analytical abstracts. 1959.
Cita Chicago (17th ed.)Vol. 6, № 12, Abstracts 4655-5073; Analytical Abstracts. 1959, 1959.
Cita MLA (9th ed.)Vol. 6, № 12, Abstracts 4655-5073; Analytical Abstracts. 1959, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.