Não informado. (1905). Quarterly of the Colorado School of Mines. Colorado School of Mines Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Quarterly of the Colorado School of Mines. Golden, Colo: Colorado School of Mines Press, 1905.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Quarterly of the Colorado School of Mines. Colorado School of Mines Press, 1905.
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