TY  - RPRT
TI  - A Complete mode sum for LF, VLF, ELF terrestrial radio wave fields 
AU  - Johler, J Ralph
AU  - Berry, Leslie A
PY  - 1964
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS MONO 78
DO  - 10.6028/NBS.MONO.78
ER  -