TY  - RPRT
TI  - Fire resistance of walls of gravel-aggregate concrete masonry units 
AU  - Foster, Harry D
AU  - Pinkston, Earl R
AU  - Ingberg, S H
PY  - 1951
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BMS 120
DO  - 10.6028/NBS.BMS.120
ER  -