TY  - RPRT
TI  - A Note on the propagation of certain LF pulses utilized in a radio navigation system 
AU  - Johler, J Ralph
PY  - 1961
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 118
DO  - 10.6028/NBS.TN.118
ER  -