TY  - RPRT
TI  - User's manual for SIMULPS12 for imaging vp and vp/vs; a derivative of the "Thurber" tomographic inversion SIMUL3 for local earthquakes and explosions
AU  - J.R. Evans
AU  - Donna Eberhart-Phillips
AU  - C.H. Thurber
PY  - 1994
DO  - 10.3133/ofr94431
UR  - https://pubs.usgs.gov/publication/ofr94431
ID  - ofr94431
ER  -