Korfhage, R. Robert. <br/><br/>
Discrete computational structures   
by Robert R. Korfhaga. 
 - 2nd. 
 - Orlando  Academic Press,Inc.  1984 
 - xvii, 360p. 
 - Computer science and applied mathematics .
<br/><br/><label>ISBN: </label>0124208606 
<br/><br/><label>Dewey Class. No.: </label>001.642  / N8412