Barnes, John D. <br/><br/>
Polyester film for oxygen gas transmission measurments/ 
by John D. Barnes 
 - Washington :  United States Government Printing Office,  1979 
 - Various pagings ;  30 cm. 
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polyesters<br/>Polyurethanes
<br/><br/><label>Dewey Class. No.: </label>668.4225