TY  - RPRT
TI  - Outdoor performance of plastics: V. surface roughness
AU  - Clark, Joseph E
AU  - Gunst, Henry C
AU  - Dagon, John R
PY  - 1970
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 10179
DO  - 10.6028/NBS.RPT.10179
ER  -