Não informado. (1905). Quarterly of the Colorado School of Mines. Colorado School of Mines Press.
Citace podle Chicago (17th ed.)Não informado. Quarterly of the Colorado School of Mines. Golden, Colo: Colorado School of Mines Press, 1905.
Citace podle MLA (8th ed.)Não informado. Quarterly of the Colorado School of Mines. Colorado School of Mines Press, 1905.
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