Gaps in technology :   plastics. 

 - Paris :  OECD ,  1969 
 - 161p. :  ill. ;  28 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plastics industry
<br/><br/><label>Dewey Class. No.: </label>668.4  / OECD