TY  - RPRT
TI  - Circular of the Bureau of Standards no. 97: recommended specifications for green paint - semipaste and ready mixed
PY  - 1920
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 97
DO  - 10.6028/NBS.CIRC.97
ER  -