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Earth Science Curriculum Project. (1965). Investigating the earth: Laboratory manual (rev. 1965.). Smith-Brooks Printing.

Citación estilo Chicago

Earth Science Curriculum Project. Investigating the Earth: Laboratory Manual. rev. 1965. Colorado, BO: Smith-Brooks Printing, 1965.

Cita MLA

Earth Science Curriculum Project. Investigating the Earth: Laboratory Manual. rev. 1965. Smith-Brooks Printing, 1965.