Não informado. (2002). California Journal of Mines and Geology. State of California, Department of Natural Resources, Division of Mines.
Chicago-viite (17. p.)Não informado. California Journal of Mines and Geology. San Francisco, Calif: State of California, Department of Natural Resources, Division of Mines, 2002.
MLA-viite (8. p.)Não informado. California Journal of Mines and Geology. State of California, Department of Natural Resources, Division of Mines, 2002.
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