Lancaster, F. Wilfrid (Frederick Wilfrid), 1933- <br/><br/>
Information retrieval systems: characteristics, testing and evaluation 

 - 2nd ed. 
 - New York:  John Wiley and Sons  1979 
 - x, 381p.: ill. 
 - Information sciences series .
<br/><br/> "A Wiley-Interscience publication." -Includes index. -Bibliography: p. 359-373. 
<br/><br/><label>ISBN: </label>0471046736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INFORMATION STORAGE AND RETRIEVAL SYSTEMS--GEOGRAPHY
<br/><br/><label>LC Class. No.: </label>Z 699.A2 Lan