(1961). Vol. 8, № 2, Abstracts 409-894; Analytical abstracts. 1961.
Cita Chicago (17th ed.)Vol. 8, № 2, Abstracts 409-894; Analytical Abstracts. 1961, 1961.
Cita MLA (9th ed.)Vol. 8, № 2, Abstracts 409-894; Analytical Abstracts. 1961, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.