Roberts, Fred S. <br/><br/>
Applied combinatorics 
Fred S. Roberts 
 - Englewood Cliffs, N.J  Prentice-Hall  c1984 
 - xviii, 606 p.  ill.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis
<br/><br/><label>Dewey Class. No.: </label>511  / .6