O'Daffer, Phares G. <br/><br/>
Geometry, An Investigative Approach 

 - 2nd ed. 
 - New york  Addison Wesley Publishing Company  1992 
 - xv,456p.  Hard cover  23cm 
<br/><br/><label>ISBN: </label>978020127957 
<br/><br/><label>Dewey Class. No.: </label>516