Seidelmann, Kenneth <br/><br/>
Explanatory Supplement to the Astronomical Almanac 

 - Sausalito:  University Science Books  1993 
 - 752p. :   il; 23 cm. 
<br/><br/><label>ISBN: </label>1-891389-45-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía