Discrete mathematics / 
Washburn, Sherwood ; Marlowe, Thomas ; Ryan, Charles T. 
 - Singapore :  Addison-Wesley Publishing Company, Inc.,  2002. 
 - xvi, v.p. ; 23.6cm. 
<br/><br/>Includes: notes, answers to selected exercises, index 
<br/><br/><label>ISBN: </label>9814119679 
<br/><br/><label>Dewey Class. No.: </label>C 510 W27 2002