Dewey, Melvil. <br/><br/>
Dewey Decimal Classification and relative index 

 - 23rd Edition 
 - Ohio  Online Computer Library Centre  2011 
 - 4v 
<br/><br/><label>ISBN: </label> RS 31185.00 (USD 550.00), (set of 4 vol.) 
<br/><br/><label>Source: </label> RS 31185.00 (USD 550.00), (set of 4 vol.) 
<br/><br/><label>Dewey Class. No.: </label>025.431 DEW