Glasby, John Stephen <br/><br/>
Variable stars / 
By John S. Glasby. 
 - London :  Constable,  1968. 
 - x, 333 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0094562008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Variable stars