TY  - RPRT
TI  - Amplitude and phase of the low- and very low-radiofrequency ground wave 
AU  - Johler, J Ralph
PY  - 1960
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 60
DO  - 10.6028/NBS.TN.60
ER  -