Gay, David <br/><br/>
Geometry by discovery 
David Gay. 
 - New York  John Wiley & Sons  c1998. 
 - xiv, 410 p.  ill. )  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry