GREENBERG, Marvin Jay <br/><br/>
Euclidean and non-euclidean geometries 
/[by] Marvin Jay Greenberg 
 - San Francisco  W.H.Freeman and Co.  1974 
 - viii, 302 p. 
<br/><br/><label>ISBN: </label>716704544 
<br/><br/><label>Dewey Class. No.: </label>516.009  / GRE