Shipman, Harry L. <br/><br/>
Black holes , Quasars & the universe /  
Harry L. Shipman 
 - 2nd ed. 
 - Boston :  Houghton Mifflin,  c1980 
 - viii , 344p 
<br/><br/>Includes bibliog 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>520 SHB (2)