Townley, Helen M <br/><br/>
Systems analysis for information retrieval 

 - London :  Andre Deutech,  1978 
 - xiv,115p. 23cm. 
<br/><br/><label>ISBN: </label>0233969209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems
<br/><br/><label>Dewey Class. No.: </label>025.04  / TOW