The AAVSO variable star atlas /  
 "Sky and telescope" guide to the heavens. 
prepared by Charles E. Scovil. 
 -- Cambridge, Mass. :    Sky Pub.,   1980. 
 - 1 atlas (178 cartas celestes)  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estrellas variables--Atlas<br/>Astronomía--Manuales para el observador
<br/><br/><label>Universal Decimal Class. No.: </label>524(084.4)