Webb society deep-sky observer's handbook  vol. 8, variable stars 
edited by Kenneth Glyn Jones                                  
 - New Jersey  Enslow Publishers  1990 
 - xiv, 210p. 
<br/><br/><label>ISBN: </label>0-89490-208-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Handbooks-Variable Stars<br/>Variable stars<br/>Variable Stars Handbook
<br/><br/><label>Universal Decimal Class. No.: </label>524.3(035)  / JON-8