Não informado. (1956). Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers. American Institute of Mining, Metallurgical and Petroleum Engineers.
Chicago-referens (17:e uppl.)Não informado. Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers. New York: American Institute of Mining, Metallurgical and Petroleum Engineers, 1956.
MLA-referens (8:e uppl.)Não informado. Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers. American Institute of Mining, Metallurgical and Petroleum Engineers, 1956.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.