Heaps, H. S.  <br/><br/>
Information retrieval, computational and theoretical aspects 
Heaps, H. S.  
 - New York   Academic Press,  1978 
 - xii, 344 p. : 
<br/><br/><label>ISBN: </label>0123357500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems.
<br/><br/><label>LC Class. No.: </label>Z699  / .H38 1978