TY  - RPRT
TI  - Circular of the Bureau of Standards no. 408: information for the amateur designer of transformers for 25- to 60-cycle circuits
AU  - Brooks, Herbert B
PY  - 1935
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 408
DO  - 10.6028/NBS.CIRC.408
ER  -