The space distribution of quasars 
edited by David Crampton                                       
 - San Francisco  Astronomical Society of the Pacific  1991 
 - xv, 401p. 
 - ASP conference series; v. 21 .
<br/><br/><label>ISBN: </label>0-937707-40-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Quasars
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / ASP-21