Aswal, R.S. <br/><br/>
MARC21 :  Cataloging format for 21st century / 
R.S. Aswal. 
 - New Delhi :  Ess Ess Publications,  2004. 
 - 514 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>8170003849 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine Readable Cataloguing