TY  - BOOK
TI  - Modern plastics encyclopedia 1948
U1  - R 668.403 21st ed.
PY  - 1948///
CY  - New York
PB  - Plastics Catalogue
KW  - Plastics industry and trade-Directories
KW  - Plastics-Periodicals
N1  - Index: pp 1668-73
ER  -