Galactic structure 
edited by Adriaan Blaauw and Maarten Schmidt  
 - Chicago  University of Chicago Press  1965 
 - xx, 606p 
 - Stars and stellar systems; v. 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Extragalactic System<br/>Galaxies<br/>Galaxy
<br/><br/><label>Universal Decimal Class. No.: </label>52(082.1)  / SSS-5