Kaufmann, William J <br/><br/>
Relativity and cosmology 
William J. Kaufmann 
 - New York  Harper and Row  1973 
 - 134p. 
<br/><br/><label>ISBN: </label>06-043568-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Cosmology<br/>Astronomy and astrophysics thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>524.834  / KAU