Biggs, Norman L. <br/><br/>
Discrete mathematics / 
Norman L. Biggs 
 - Rev. ed. 
 - Oxford :  Clarendon Press,  1989 
 - 480 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0198534264 
<br/><br/><label>LCCN: </label>85-8964 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing--Mathematics