Lancster, Kent M. <br/><br/>
Information retrieval systems: Characteristics,testing and evaluation 

 - 2nd Edition 
 - New York  John Wiley & Sons  1979 
 - 381p. 
<br/><br/><label>ISBN: </label> USD 42.95 
<br/><br/><label>Source: </label> USD 42.95 
<br/><br/><label>Dewey Class. No.: </label>025.524 LAN