Gundlach, Bernard H. Buffie, Edward G. Denny, Robert R. <br/><br/>
Patterns in Mathematics. 

 - 1st Ed. 
 - California :  Laidlaw Brothers, Puplishers,  1974. 
 - 352 p. 
<br/><br/><label>ISBN: </label>0844514438 
<br/><br/><label>Dewey Class. No.: </label>510  / GUN