TY  - RPRT
TI  - Fire tests of columns encased in pumice-aggregate concrete 
AU  - Mitchell, N D
AU  - Robertson, A F
PY  - 1952
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 1926
DO  - 10.6028/NBS.RPT.1926
ER  -