Readings in information retrieval  
Karen Sparck Jones, Peter Willett. 
 - San Francisco, Calif. :  Morgan Kaufman,  c1997. 
 - xv, 589 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>1558604545 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information retrieval.<br/>Information storage and retrieval systems.
<br/><br/><label>Dewey Class. No.: </label>025.524