P.Grmald, Ralph. <br/><br/>
Discrete and combinatorial mathematics :  an applied introduction 4th edition / 
Ralph P.Grmald. 
 - Fourth edi. 
 - [S.l.] :  Adison-Wesley Longman, Inc,1999,  1999. 
 - 1 v. (unpaged) 
<br/><br/><label>ISBN: </label>8178086514 
<br/><br/><label>ISSN: </label>9788178086514 
<br/><br/><label>Dewey Class. No.: </label>510