TY  - RPRT
TI  - Radiation pattern of a borehole radar antenna
AU  - K.J. Ellefsen
AU  - D.L. Wright
PY  - 2005
DO  - 10.1190/1.1852779
UR  - https://pubs.usgs.gov/publication/70029164
ID  - 70029164
ER  -