TY  - RPRT
TI  - A modular finite-element model (MODFE) for areal and axisymmetric ground-water-flow problems; Part 3, Design philosophy and programming details
AU  - L.J. Torak
PY  - 1992
DO  - 10.3133/ofr91471
UR  - https://pubs.usgs.gov/publication/ofr91471
ID  - ofr91471
ER  -