Gardner, M. <br/><br/>
Mathematical puzzles and diversions 

 - 4th ed. 
 - New York:   Simon and Schuster  1961 
 - 253p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Mathematical Recreations
<br/><br/><label>Dewey Class. No.: </label>510.76  / G2261