Não informado. (1919). Mining and Metallurgy. American Institute of Mining and Metallurgical Engineers.
Citace podle Chicago (17th ed.)Não informado. Mining and Metallurgy. New York: American Institute of Mining and Metallurgical Engineers, 1919.
Citace podle MLA (8th ed.)Não informado. Mining and Metallurgy. American Institute of Mining and Metallurgical Engineers, 1919.
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