Scientific and technical presentations to the scientific and technic al subcommittee /    
report by the Secretariat. 
 - New York :   United Nations,   1992. 
 - 27 p. ;    28 cm. 
 - [United Nations.   A/AC 105/516 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space sciences.--------<br/>Outer space.--------