TY  - RPRT
TI  - Circular of the Bureau of Standards no. 71: rules and regulations promulgated under authority of the federal standard-barrel law
PY  - 1917
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 71
DO  - 10.6028/NBS.CIRC.71
ER  -