Townley Helen M <br/><br/>
Systems analysis for information retrieval /  
Helen M. Townley. 
 - London : |b A. Deutsch in association with the Institute of Information Scientists ;   Boulder, Colo. :  Westview Press,   1978. 
 - xiv, 121 p. :   ill. ;   23 cm. 
 - Monograph series - Institute of Information Scientists A Grafton book .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0233969209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems<br/>System analysis
<br/><br/><label>LC Class. No.: </label>Z699