Investiguemos la Tierra.

Bibliographic Details
Corporate Author:	Earth Science Curriculum Project
Format:	Conference Proceeding Book
Language:	Spanish
Published:	Cali, Colombia : Editorial Norma, 1971.
Subjects:	GEOLOGIA TIERRA

Description
Item Description:	Título original: Investigating the earth
Physical Description:	2 volúmenes : ilustraciones (algunas a color), mapas (color).

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