Chowdhury, G G <br/><br/>
Introduction to modern information retrieval 

 - 1st 
 - London  Library Association  1999 
 - xix,452p p. 
<br/><br/><label>ISBN: </label>1-85604-318-5 
<br/><br/><label>Subjects--Index Terms: </label>Information storage and retrieval systems