Jones, Ken <br/><br/>
Information retrieval experiment 

 - London  Butterworths  1981 
 - 389p. 
<br/><br/><label>ISBN: </label> UKP 36.75 
<br/><br/><label>Source: </label> UKP 36.75 
<br/><br/><label>Dewey Class. No.: </label>025.04 INF