Harter, Stephen P.  <br/><br/>
Online information retrieval  concepts, principles, & techniques 
Stephen P. Harter. 
 - San Diego, Calif.  Academic Press 
 - 259 pages :   illustration;   23 cm. 
 - Library and information science. .
<br/><br/><label>ISBN: </label>0123284562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>On--line data processing<br/>Information retrieval