Papers / 
Symposium on recent advances in plastic in packaging 
 - Calcutta :  Indian Plastics Federation and the Plastics Institute,  1970 
 - Various pagings ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Glass<br/>Crystallization<br/>Electric conductivity
<br/><br/><label>Dewey Class. No.: </label>668.4