North, Gerald. <br/><br/>
Advanced Amateur Astronomy /  

 - 1st ed /  
 - Cambridge :   Press Syndicate of the University of Cambridge ,   1994 
 - xiii, 400p :  
<br/><br/><label>ISBN: </label>0 521 57430 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics <Astronomy>
<br/><br/><label>Dewey Class. No.: </label>B9  / l7