Smith, Stanley A. <br/><br/>
Informal geometry 

 - New York  Addison - Wesley Pub.  1992 
 - 654 p 
<br/><br/><label>ISBN: </label>201253143 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry
<br/><br/><label>Dewey Class. No.: </label>TR516 Sm65i