Não informado. (1926). Annual survey of american chemistry. National Research Council, Division of Chemistry and Chemical Technology.
Chicago-referens (17:e uppl.)Não informado. Annual Survey of American Chemistry. New York: National Research Council, Division of Chemistry and Chemical Technology, 1926.
MLA-referens (8:e uppl.)Não informado. Annual Survey of American Chemistry. National Research Council, Division of Chemistry and Chemical Technology, 1926.
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