Lancastar, F.W  . <br/><br/>
Information retrieval system etc. /  
F.W.Lancaster. 
 - New York :   John Wiley ,   1978. 
 - 381 p ;   24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label> NULL (Pbk) 
<br/><br/><label>Subjects--Index Terms: </label>INFORMATION RETRIEVAL 
<br/><br/><label>Dewey Class. No.: </label>025.04  / LAN/I