Polya, George,  1887-1985, <br/><br/>
The Stanford mathematics problem book:  with hints and solutions/ 
by George Polya and Jeremy Kilpatrick. 
 - New York:  Teachers College Press,  1974. 
 - 68 pages ;  23 cm. 
<br/><br/>Bibliography: pages 67-68. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc.