Greenberg, Marvin Jay. <br/><br/>
Euclidean and Non-Euclidean Geometries :  development and history / 
Marvin Jay Greenberg. 
 - 2nd ed. 
 - New York :  W. H. Freeman and Co.,  1980. 
 - 400 p. 
<br/><br/><label>ISBN: </label>0716711036 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Non-Euclidean-history.<br/>Geometry.
<br/><br/><label>LC Class. No.: </label>QA445  / .G84