Planetarium, a challenge for educators : a guidebook published by the United Nations for International Space Year. - United Nations. Office for Outer Space Affairs (New York, NY : United Nations, 1992)
At head of title: Department of Political Affairs, Office for Outer Space Affairs.
Includes bibliographical references and index.
Keywords: Planetariums -- Handbooks, manuals, etc; Astronomy -- Study and teaching -- Handbooks, manuals, etc