Betts W B Ed. <br/><br/>
Biodegradation    Natural and synthetic materials.      
Betts W B Ed. 
 -  1991 
<br/><br/><label>Standard No.: </label>24624 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:527, N1