TY  - BOOK
ED  -  United Nations. 
TI  -  Planetarium, a challenge for educators : : a guidebook published by the United Nations for International Space Year
PY  - 1992///
CY  -  New York, NY : 
PB  -  United Nations, 
KW  -  Planetariums
KW  -  Handbooks, manuals, etc
KW  -  Astronomy
KW  -  Study and teaching
N1  -  At head of title: Department of Political Affairs, Office for Outer Space Affairs;  Includes bibliographical references and index
ER  -