Dewey Melvil <br/><br/>
Dewey  Decimal  Classification and relative index.4V. 

 - 20 
 -  1989 
<br/><br/><label>Standard No.: </label>78647 
<br/><br/><label>Source: </label> Annuals, Advances 
<br/><br/><label>Dewey Class. No.: </label>2:51M76, M9.1-.4     RR