Formation of Earth's crust, oceans and atmosphere / Educational Broadcasting System.

By: Material type: TextTextSeries: EBS Contents With education culture and informationPublication details: Mapo-gu, Seoul : Publishing Contents Center, Edition: class-e(1) ; Earth's 4.6 billion years, 10 major eventsDescription: Sound, Color : 1 videodisc ; 4 3/4 inGenre/Form:
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