Grimaldi, Ralph P. <br/><br/>
Discrete and combinatorial mathematics :  an applied introduction / 
Ralph P. Grimaldi. 
 - 4th ed. 
 - Reading, Mass. :  Addison-Wesley Longman,  c1999. 
 - xix, 791, [138] p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0201199122 
<br/><br/><label>LCCN: </label>98023912 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis.<br/>Computer science--Mathematics.<br/>Mathematics.