Michacl E. Bakich <br/><br/>
The cambridge encyclopedia of amateur astronomy 

 - NULL  Cambridge University Press  2003 
 - 342 p. 
<br/><br/><label>ISBN: </label>0-521-81298-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy --observers’ Manuals.
<br/><br/><label>Dewey Class. No.: </label>520  / B1793t