TY  - RPRT
TI  - Microcomputer codes for simulating transient ground-water flow: in two and three space dimensions
AU  - J.D. Bredehoeft
PY  - 1991
DO  - 10.3133/ofr90559
UR  - https://pubs.usgs.gov/publication/ofr90559
ID  - ofr90559
ER  -