The study of variable stars using small telescopes 
edited by John R Percy                                        
 - Cambridge  Cambridge University Press  1986 
 - vi, 265p. 
<br/><br/><label>ISBN: </label>0-521-33300-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Telescopes<br/>Variable stars
<br/><br/><label>Universal Decimal Class. No.: </label>524.33  / THE