Chowdhury, G. G. <br/><br/>
Introduction to modern information retrieval / 
G. G. Chowdhury 
 - London :  Library Association Publishing,  1999 
 - xix, 452 p. :  ill. ;  24 cm. 
<br/><br/>References: p. 438-441 
<br/><br/><label>ISBN: </label>1856043185  RM261.27 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information retrieval<br/>Information storage and retrieval systems<br/>Information science