TY  - RPRT
TI  - pick_xwell, a program for interactive picking of crosswell seismic and radar data
AU  - K.J. Ellefsen
PY  - 1999
DO  - 10.3133/ofr99534
UR  - https://pubs.usgs.gov/publication/ofr99534
ID  - ofr99534
ER  -