TY  - RPRT
TI  - Circular of the Bureau of Standards no. 57 2nd edition: United States standard tables for petroleum oils
PY  - 1916
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 57e2
DO  - 10.6028/NBS.CIRC.57e2
ER  -