The astronomical almanac for the year 2001 
U.S. Government Printing Office                               
 - Washington  U. S. Government Printing Office  2000 
 - [various pagings.] 
<br/><br/><label>ISBN: </label>0-11-772843-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>2001<br/>almanac<br/>astronomy
<br/><br/><label>Universal Decimal Class. No.: </label>059:52  / AAL-2001