TY  - RPRT
TI  - The effect of blowing variables on the accelerated weathering durability of coating-grade asphalts 
AU  - Greenfeld, Sidney H
PY  - 1963
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS report ; 8046
DO  - 10.6028/NBS.RPT.8046
ER  -