Longwell, C. R. (1957). Outlines of physical geology (2nd ed.). John willey & sons.
Chicago Edition CitationLongwell, Chester R. Outlines of Physical Geology. 2nd ed. New york: John willey & sons, 1957.
Cita MLALongwell, Chester R. Outlines of Physical Geology. 2nd ed. John willey & sons, 1957.
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