Astronomical almanac for the year 1998 
U.S Government Printing Office                               
 - London  Stationary Office Publications Centre  1997 
<br/><br/><label>ISBN: </label>0-11-887302-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs, Ephemerides
<br/><br/><label>Universal Decimal Class. No.: </label>059:52  / AAL-98