Katchan, G. (1982). Mineralogy and geochemistry of the Ertsberg (Gunung Bijih) and Erstberg East (Gunung Bijih Timur) skarns, Irian Jaya, Indonesia and the Ok Tedi skarns, Papua New Guinea.
Citace podle Chicago (17th ed.)Katchan, George. Mineralogy and Geochemistry of the Ertsberg (Gunung Bijih) and Erstberg East (Gunung Bijih Timur) Skarns, Irian Jaya, Indonesia and the Ok Tedi Skarns, Papua New Guinea. 1982.
Citace podle MLA (8th ed.)Katchan, George. Mineralogy and Geochemistry of the Ertsberg (Gunung Bijih) and Erstberg East (Gunung Bijih Timur) Skarns, Irian Jaya, Indonesia and the Ok Tedi Skarns, Papua New Guinea. 1982.
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