Sehgal. <br/><br/>
An Introduction to Universal Decimal Classification  Textual Documents 
By R L Sehgal 
 - First. 
 - New Delhi  Ess Ess Publications  1991. 
 - 266pg:  appendix;  25cm. 
<br/><br/><label>ISBN: </label>9788170001669 
<br/><br/><label>Subjects--Index Terms: </label>Classification Universal Decimal Classification G-Library Science 
<br/><br/><label>Dewey Class. No.: </label>025.43