TY  - BOOK
TI  - Modern plastics encyclopedia 1947
U1  - R 668.403 21st ed.
PY  - 1947///
CY  - New York
PB  -  Plastics Catalogue
KW  - Plastics industry and trade-Directories
KW  - Plastics-Periodicals
N1  - Content: v.1
ER  -