Roff, W. J. <br/><br/>
Fibres, films, plastics rubbers 
W. J. Roff 
 - London :  Butterworths,  1971. 
 - 668p. :  ill. ;  25cm. 
<br/><br/>Includes index<br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plastic films<br/> Rubber
<br/><br/><label>LC Class. No.: </label>TP1120.R64