TY  - RPRT
TI  - Bureau circular no. 1: verification of standards and measuring instruments
AU  - Stratton, S W
PY  - 1903
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 1
DO  - 10.6028/NBS.CIRC.1
ER  -