TY  - RPRT
TI  - Circular of the Bureau of Standards no. 13 10th edition: United States government specifications for large tungsten filament incandescent electric lamps
PY  - 1923
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 13e10
DO  - 10.6028/NBS.CIRC.13e10
ER  -