Gay  <br/><br/>
Geometry by discovery  
/ David Gay. 
 - New York  John Wiley & Sons  1998. 
 - xiv, 410p.  ill.  25cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0471041777  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry
<br/><br/><label>Dewey Class. No.: </label>516.2076 GAY 1998