Gay, David. <br/><br/>
Geometry by discovery / 
David Gay. 
 - New York :  J. Wiley,  c1998. 
 - xiv, 410 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471041777 (acid-free paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry.
<br/><br/><label>LC Class. No.: </label>QA453GAY 1998