Posamentier, Alfred S. <br/><br/>
Challenging problems in geometry/ 
Alfred S. Posamentier, Charles T. Salkind. 
 - New York:  Dover,  1996. 
 - ix, 245 p.:  ill.;  22 cm. 
<br/><br/> Originally published: Palo Alto, Calif. : Dale Seymour Publications, 1970. 
<br/><br/><label>ISBN: </label>0486691543 (pbk.) 
<br/><br/><label>LCCN: </label>95052535 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry---Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>516  / P855c