Bernard Kolman, Robert C. Busby, Sharon Ross     <br/><br/>
Discrete Mathematical Structures     

 - 3rd 
 - New Delhi,   Prentice-Hall of India Private limited  1997 
 - 524p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Bernard Kolman, Robert C. Busby, Sharon Ross