O'Daffer, Phares G. <br/><br/>
Geometry :  an investigative approach / 
by Phares G. O'Daffer and Stanley R. Clemens. 
 - 2nd ed. 
 - Reading, Mass. :  Addison-Wesley,  c1992. 
 - xv, 456 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 437-445) and index. 
<br/><br/><label>ISBN: </label>0201217953 
<br/><br/><label>LCCN: </label>91029153  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry.
<br/><br/><label>LC Class. No.: </label>QA445  / .O42 1991 
<br/><br/><label>Dewey Class. No.: </label>516