Dewey, Melvel . <br/><br/>
Dewey Decimal Classification and Relative Index /  
Melvel Dewey. 
 - 20th ed /   . 
 - New York :   Forest Press ,   2015. 
 - NULL :   ills.,photos ;   NULL .  
<br/><br/>I- IV Volume 
<br/><br/><label>ISBN: </label> NULL (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>DEWEY DECIMAL CLASSIFICATION 
<br/><br/><label>Dewey Class. No.: </label>025.431  / DEW/D