Green, Robin M., <br/><br/>
Spherical Astronomy : 

 -  Cambridge University Press,  1985. 
 - 540 pages 
<br/><br/><label>ISBN: </label>9780521317795 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.
<br/><br/><label>Dewey Class. No.: </label>522.7  / GRE