TY  - BOOK
AU  - Appel,Charles A.
AU  - Reilly,Thomas E.
ED  - United States.
ED  - United States.
TI  - Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994
PY  - 1994///
CY  - Washington
PB  - U.S. Government Printing Office
ER  -