Encyclopedia of astronomy and astrophysics / 
Robert A. Meyers, editor ; Steven N. Shore, scientific consultant. 
 - San Diego :  Academic Press,  c1989. 
 - xiv, 807 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0122266900 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Աստղագիտություն--Encyclopedias.<br/>Astrophysics--Encyclopedias.