Kent, Allen <br/><br/>
Textbook On Mechanized Information Retrieval 

 - New York  John Wiley And Sons  1963 
 - xii, 268p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>270DC
<br/><br/><label>Dewey Class. No.: </label>270DC  / J3