University of California (System) & University of California, Berkeley. (1921). Bulletin of the Department of Geological Sciences. The University Press.
Citace podle Chicago (17th ed.)University of California (System) a Berkeley University of California. Bulletin of the Department of Geological Sciences. Berkeley, Calif: The University Press, 1921.
Citace podle MLA (8th ed.)University of California (System) a Berkeley University of California. Bulletin of the Department of Geological Sciences. The University Press, 1921.
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