TY  - RPRT
TI  - Modifications and corrections to the finite-difference model for simulation of three-dimensional ground-water flow
AU  - L.J. Torak
PY  - 1982
DO  - 10.3133/wri824025
UR  - https://pubs.usgs.gov/publication/wri824025
ID  - wri824025
ER  -