TY  - RPRT
TI  - Effects of mineral additives on the durability of coating-grade roofing asphalt 
AU  - Greenfield, Sidney H
PY  - 1956
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BMS 147
DO  - 10.6028/NBS.BMS.147
ER  -