Walker, O. J. <br/><br/>
Plastics 

 - London  ; Longman 
 - 32p. 
<br/><br/><label>ISBN: </label> 5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plastic Technology<br/>Plastics
<br/><br/><label>Dewey Class. No.: </label>668.4  / WAL