Kaufmann, William J. <br/><br/>
Relativity and cosmology 
[by] William J. Kaufmann, III. 
 -  Harper & Row New York  1973  [1973] 
 - 134 p.illus.24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology<br/>General relativity (Physics)--QB
<br/><br/><label>LC Class. No.: </label>QB981.K3