Burchfiel, B. C. (1982). Physical geology: The structure and processes of the earth. Merrill Pub.
Lua i Stíl Chicago (17ú heag.)Burchfiel, B. C. Physical Geology: The Structure and Processes of the Earth. Columbus: Merrill Pub, 1982.
Lua MLA (9ú heag.)Burchfiel, B. C. Physical Geology: The Structure and Processes of the Earth. Merrill Pub, 1982.
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