TY  - RPRT
TI  - Circular of the Bureau of Standards no. 163: United States government specification for titanium pigment, dry and paste
PY  - 1924
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 163
DO  - 10.6028/NBS.CIRC.163
ER  -