TY  - BOOK
AU  - Roff,W.J.
TI  - Fibres, films, plastics rubbers
AV  - TP1120.R64 
PY  - 1971///
CY  - London
PB  - Butterworths
KW  - Plastic films
KW  -  Rubber
N1  - Includes index

ER  -