Baeza-Yates, Ricardo <br/><br/>
Modern information retrieval 

 -  New Delhi  Pearson Education  1999 
 - xx, 513p.   
<br/><br/> Includes bibliographical references, glossary and index. 
<br/><br/><label>ISBN: </label>9788131709771 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital libraries<br/>Indexing and searching<br/>Libraries and bibliographical systems<br/>Modern information retrieval<br/>Query languages and operations