PFLEEGER SHARI LAWRENCE, <br/><br/>
INTRODUCTION TO DISCRETE STURCTURES: 
SHAI LAWRENCE PFLEEGER,DAVID W.STRAIGHT 
 - REVISED EDITION 
 - NEW YORK:  JOHN WILEY & SONS,  1985. 
<br/><br/><label>ISBN: </label>0471800759. 
<br/><br/><label>Dewey Class. No.: </label>519.4 PFL