TY  - RPRT
TI  - MODOPTIM: A general optimization program for ground-water flow model calibration and ground-water management with MODFLOW
AU  - Keith J. Halford
PY  - 2006
DO  - 10.3133/sir20065009
UR  - https://pubs.usgs.gov/publication/sir20065009
ID  - sir20065009
ER  -