Davis Charles  H <br/><br/>
Guide to information science. 
Davis Charles  H; Rush James  E 
 -  1979 
<br/><br/><label>Standard No.: </label>75963 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>2:97, L9