TY  - BOOK
TI  - Modern plastics encyclopedia issue September 1957
U1  - R 668.403 21st ed.
PY  - 1957///
CY  - New York
PB  - Plastics Catalogue
KW  - Plastics industry and trade-Directories
KW  - Plastics-Periodicals
N1  - Content: v.35, Issue no.; 1A; Index: pp 1150-54; Monthly publicatoin
ER  -