Duda, Richard O., <br/><br/>
Pattern Classification  Textual Documents 
By Richard O. Duda, Peter E. Hart & David G.Stork 
 - 2nd ed. 
 - New Delhi  Wiley India  2006 
 - pg654:  23cm. 
<br/><br/><label>ISBN: </label>978-81-265-1116-7 
<br/><br/><label>Subjects--Index Terms: </label>Computer Programming G- Computer science 
<br/><br/><label>Dewey Class. No.: </label>001.642