Roach, John P <br/><br/>
Computer applications of semi automatic technical information retrieval 

 - New Jersey:     System Development Corporation,    1962 
 - 36p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Computer 
<br/><br/><label>Universal Decimal Class. No.: </label>025.135:681.177  / K2