The astronomical almanac for the year 1987 
U.S. Govt Printing Office                                    
 - Washington  U. S. Government Printing Office  1986 
 - [various pagings.] 
<br/><br/><label>ISBN: </label>0-11-886925-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs<br/>Ephemerides<br/>NASA Thesaurus
<br/><br/><label>Universal Decimal Class. No.: </label>(059):52  / NAU-87