Modern plastics encyclopedia 1969-1970 

<br/><br/> Vol. 46 (1969; 1050p.)<br/>Vol. 47 (1970; 998p.)<br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries
<br/><br/><label>Subjects--Index Terms: </label>Plastics  
<br/><br/><label>Universal Decimal Class. No.: </label>R 678.5(030.8)   / L0