Green, Robin M. <br/><br/>
Spherical astronomy /    
Robin M. Green 
 - Cambridge:   Cambridge University Press,   1985 
 - xiv, 520 p.:    ill.;    23 cm 
<br/><br/>Includes bibliographical references (p.509-510) and index 
<br/><br/><label>ISBN: </label>0521317797 
<br/><br/><label>Dewey Class. No.: </label>522.7 GRE