Heaps, H.S  . <br/><br/>
Information retrieval : computational and theoretical aspects /  
H.S.Heaps. 
 - New York :   Academic Press ,   1978. 
 - 344p. :   ills ;   23cm .  
 - Library and information science series,   NULL  NULL; .
 - Library and information science series,   NULL  NULL; .
<br/><br/>Includes indeX 
<br/><br/><label>ISBN: </label>0123357500  USD 25.00 
<br/><br/><label>Subjects--Index Terms: </label>INFORMATION STORAGE AND RETRIEVAL SYSTEM 
<br/><br/><label>Dewey Class. No.: </label>029.7  / HEA/I