TY  - RPRT
TI  - Letter Circular 103: description of a series of single-layer inductance coils suitable for radio-frequency standards
PY  - 1923
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 103
DO  - 10.6028/NBS.LCIRC.103
ER  -