Balakrishnan, Shyama <br/><br/>
Principle of Information Retrieval 
/by Shyama Balakrishnan & P. K. Paliwal 
 - 1st 
 - New Delhi  Anmol Publications  2001 
 - viii, 276p. 
<br/><br/><label>ISBN: </label>8126108878 
<br/><br/><label>Dewey Class. No.: </label>029.9  / BAL/P