Lancaster, Frederick Wilfrid <br/><br/>
Information retrieval systems  characteristics, testing, and evaluation 
F. Wilfrid Lancaster. 
 - New York  Wiley  [1968] 
 - xiv, 222 p.  illus. 
 - Information sciences series .
<br/><br/> 920610 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>68031645 //r843 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems
<br/><br/><label>LC Class. No.: </label>Z699  / .L35 
<br/><br/><label>Dewey Class. No.: </label>029