Williams, William F <br/><br/>
Principles of automated information retrieval 

 - USA:   The Business Press,   1965 
 - 439p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology
<br/><br/><label>Subjects--Index Terms: </label>Retrieval specialists 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3:025.135  / K5