TY  - RPRT
TI  - Outdoor performance of plastics : X. final update of weathering data
AU  - Rossiter, Walter J
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-146
DO  - 10.6028/NBS.IR.73-146
ER  -