TY  - RPRT
TI  - Circular of the Bureau of Standards no. 211: United States government master specification for gypsum wall board
PY  - 1925
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 211
DO  - 10.6028/NBS.CIRC.211
ER  -