Tiwari, Purushotham. <br/><br/>
International encyclopedia of library & information science / 
Purushotham Tiwari and R. S. Kochar. 
 - New Delhi :  A. P. H. publication,  c 2010. 
 - Vols. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 282-283. 
<br/><br/>V. 1- Digital Library ;  
<br/><br/>10  10 
<br/><br/><label>ISBN: </label>978-81-313-0904-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library and information science--encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>020.3 / T1i