TY  - RPRT
TI  - Index to parts 1. 2, and 3 of Circular no. 54, the national electrical safety code, second edition 
PY  - 1917
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 54index
DO  - 10.6028/NBS.CIRC.54index
ER  -