Planet earth

Scientists explain current theories about the formation of the earth's continents, oceans and climate, and examine the earth's relationship to the sun and other planets.

Corporate Author: WQED (Television station : Pittsburgh, Pa.), Unapix Entertainment, Inc.
Other Authors: Kiley, Richard.
Format: Video VHS
Language: English
Published: [New York] : Unapix Entertainment, [1996], c1986.
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