Star clusters 
edited by J. E. Hesser                                         
 - Dordrecht  D. Reidel Publishing  1980 
 - [various pagings.] 
<br/><br/><label>ISBN: </label>90-277-1087-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clusters<br/>Star Clusters<br/>Stars
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / IAU-S85