TY  - RPRT
TI  - Circular of the Bureau of Standards no. 370: United States government master specification for powder, scouring, for floors
PY  - 1928
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 370
DO  - 10.6028/NBS.CIRC.370
ER  -