TY  - RPRT
TI  - Geophysical subsurface probing with radio-frequency interferometry
AU  - Kong, J. A.
AU  - Tsang, L.
AU  - Simmons, G.
PY  - 1974
UR  - https://ntrs.nasa.gov/citations/19740053687
ID  - 19740053687
ER  -