General catalogue of variable stars  the fourth edition containing information on variable stars discovered and designated till 1982,vol.1 constellations andromeda-crux 
edited by P. N. Kholopov                                          
 - Moscow  Navka Publishing House  1985 
 - 375p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Catalogue-Variable stars<br/>Variable Stars-Catalogue
<br/><br/><label>Universal Decimal Class. No.: </label>083.8:524.33  / KHO