TY  - RPRT
TI  - Circular of the Bureau of Standards no. 40 3rd edition: sodium oxalate as a standard in volumetric analysis
PY  - 1920
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 40e3
DO  - 10.6028/NBS.CIRC.40e3
ER  -