TY  - RPRT
TI  - Calculated diffraction effects at VLF from a localized ionospheric depression. 
AU  - Wait, James R
PY  - 1964
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 208
DO  - 10.6028/NBS.TN.208
ER  -