Information retrieval research 
edited by R.N. Oddy...et.al 
 - London:  Butterworths,  1981. 
 - 398p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0408107758 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer data processing
<br/><br/><label>Dewey Class. No.: </label>025.524  / INF