TY  - RPRT
TI  - Advective-transport observation (ADV) package, a computer program for adding advective-transport observations of steady-state flow fields to the three-dimensional ground-water-flow parameter-estimation model MODFLOWP
AU  - Evan R. Anderman
AU  - Mary Catherine Hill
PY  - 1997
DO  - 10.3133/ofr9714
UR  - https://pubs.usgs.gov/publication/ofr9714
ID  - ofr9714
ER  -