(1941). Vol. 33, № 8; Industrial and Engineering Chemistry. Industrial Edition. 1941.
Cita Chicago (17th ed.)Vol. 33, № 8; Industrial and Engineering Chemistry. Industrial Edition. 1941, 1941.
Cita MLA (9th ed.)Vol. 33, № 8; Industrial and Engineering Chemistry. Industrial Edition. 1941, 1941.
Atenció: Aquestes cites poden no estar 100% correctes.