TY  - RPRT
TI  - Circular of the Bureau of Standards no. 95: inks-their composition, manufacture, and methods of testing
PY  - 1920
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 95
DO  - 10.6028/NBS.CIRC.95
ER  -