Saxena, R.S  . <br/><br/>
Information retrieval techniques and reference source & tools in pure and applied science /  
R.S.Saxena. 
 - Agra :   Y.K.Publishers ,   1987. 
 - 144p. :   ills.,pictures ;   21cm .  
<br/><br/>Includex bibliographical references and index 
<br/><br/><label>ISBN: </label>8185070083  NULL 
<br/><br/><label>Subjects--Index Terms: </label>INFORMATION RETRIEVAL SYSTEM 
<br/><br/><label>Dewey Class. No.: </label>025.006  / SAX/I