TY  - RPRT
TI  - Circular of the Bureau of Standards no. 19 6th edition: standard density and volumetric tables
PY  - 1924
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 19e6
DO  - 10.6028/NBS.CIRC.19e6
ER  -