TY  - RPRT
TI  - Circular of the Bureau of Standards no. 546: effective radio ground-conductivity measurements in the United States
AU  - Kirby, R S
AU  - Capps, F M
AU  - Jones, R N
PY  - 1954
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 546
DO  - 10.6028/NBS.CIRC.546
ER  -