Dhawan, K. S. <br/><br/>
Principles of information retrieval 

 - New Delhi:  Commonwealth Publishers,  1997. 
 -  v,275p. 
<br/><br/> Hardcopy 
<br/><br/>includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>8171694845 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information systems
<br/><br/><label>Dewey Class. No.: </label>025.04  / DHP