Roberts, Fred S <br/><br/>
Applied combinatorics / 
Fred S. Roberts 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1984 
 - xviii, 606 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0130393134 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis