TY  - RPRT
TI  - Ground-water models: Validate or invalidate
AU  - J.D. Bredehoeft
AU  - Leonard F. Konikow
PY  - 2005
DO  - 10.1111/j.1745-6584.1993.tb01808.x
UR  - https://pubs.usgs.gov/publication/70047000
ID  - 70047000
ER  -