Gardner Martin <br/><br/>
Second Scientific American book of Mathematical Puzzles And Diversions 

 -  1961 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>286 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B:gx, K1.2