Campbell, Leon <br/><br/>
The story of variable stars 
Leon Campbell and Luigi Jacchia 
 - Philadelphia  The Blakiston  1946 
 - v, 226p. 
 - Harvard books on astronomy .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Pulsating variable stars<br/>Recurrent novae<br/>Variable stars
<br/><br/><label>Universal Decimal Class. No.: </label>524.33  / CAM