Roberts, Fred S. <br/><br/>
Applied combinatorics 
Fred S Roberts and Barry  Tesmaon 
 - 2nd ed. 
 - Boca ration  CRC   2009 
 - xxvii, 860p. 
<br/><br/><label>ISBN: </label>9781420099829 
<br/><br/><label>Subjects--Index Terms: </label>Communicational analysis Combinatories -tools Graph theory 
<br/><br/><label>Universal Decimal Class. No.: </label>519.101  / ROB