Society of Economic Geologists (U.S.). (1905). Economic Geology. Economic Geology Publication.
Chicago-viite (17. p.)Society of Economic Geologists (U.S.). Economic Geology. Lancaster, Pa: Economic Geology Publication, 1905.
MLA-viite (8. p.)Society of Economic Geologists (U.S.). Economic Geology. Economic Geology Publication, 1905.
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