Planetarium, a challenge for educators :    a guidebook published by the United Nations for International Space Year. 

 - New York, NY :    United Nations,    1992. 
 - 150 p. :    ill. ;    28 cm. 
<br/><br/>  At head of title: Department of Political Affairs, Office for Outer Space Affairs.   Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Planetariums -- Handbooks, manuals, etc.<br/> Astronomy -- Study and teaching -- Handbooks, manuals, etc.