TY  - RPRT
TI  - A modular finite-element model (MODFE) for areal and axisymmetric ground-water-flow problems, Part 2: Derivation of finite-element equations and comparisons with analytical solutions
AU  - Richard L. Cooley
PY  - 1992
DO  - 10.3133/twri06a4
UR  - https://pubs.usgs.gov/publication/twri06A4
ID  - twri06A4
ER  -