(1938). Vol. 16, № 6 (Vol. 30, № 12); Industrial and Engineering Chemistry. New Edition. 1938.
Chicago-viite (17. p.)Vol. 16, № 6 (Vol. 30, № 12); Industrial and Engineering Chemistry. New Edition. 1938, 1938.
MLA-viite (9. p.)Vol. 16, № 6 (Vol. 30, № 12); Industrial and Engineering Chemistry. New Edition. 1938, 1938.
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