Planetarium, a challenge for educators : a guidebook published by the United Nations for International Space Year.
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TextPublication details: New York, NY : United Nations, 1992.Description: 150 p. : ill. ; 28 cmSubject(s): Other classification: - UNO/DPA (02) 1992/1
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At head of title: Department of Political Affairs, Office for Outer Space Affairs.
Includes bibliographical references and index.
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