TY  - BOOK
ED  - 
ED  - Water Science and Technology Board
ED  - Commission on Geosciences, Environment, and Resources
ED  - National Research Council
TI  - Valuing ground water: economic concepts and approaches
SN  - 0309056403
U1  - 333.9104 
PY  - 1997///
CY  - Washington
PB  - National Academy Press
KW  - Agua
KW  - Aguas subterráneas
ER  -