TY  - GEN
AU  - Bredehoeft, J. D.
TI  - Ground-water models
SN  - 9231020064
U1  - 551.49 
PY  - 1982///
CY  - USA
PB  - The Unesco Press
KW  - Groundwater
N1  - Includes appendixes ;glossary ; references & index
ER  -