TY  - RPRT
TI  - USGS directions in MODFLOW development
AU  - P. M. Barlow
AU  - A.W. Harbaugh
PY  - 2006
DO  - 10.1111/j.1745-6584.2006.00260.x
UR  - https://pubs.usgs.gov/publication/70028713
ID  - 70028713
ER  -