TY  - RPRT
TI  - RayGUI 2.0: a graphical user interface for interactive forward and inversion ray-tracing
AU  - Jian-Li Song
AU  - Uri S. ten Brink
PY  - 2004
DO  - 10.3133/ofr20041426
UR  - https://pubs.usgs.gov/publication/ofr20041426
ID  - ofr20041426
ER  -