Planetarium:  A Challenge for Education 
United Nations 
 - New York  United Nations  1992 
 - 150p 
<br/><br/> A Guidebook Published by the United Nations for International Space Year 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space
<br/><br/><label>Dewey Class. No.: </label>791.4372  / PLA.N2