Walker,Geraldene <br/><br/>
Online retrieval  : digalogue of theory and practice 
Geraldene Walker 
 - 2nd 
 - Colorado:  Greenwood,  1999 
 - xi312p. 
<br/><br/> Papercover 
<br/><br/>Include index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information retrival system
<br/><br/><label>Dewey Class. No.: </label>025.524  / WAO