TY  - BOOK
ED  - United Nations Environmental Programme (UNEP)
TI  - Ground water: a threatened resource
U1  - 333.91 
PY  - 1996///
CY  - Nairobi
PB  - UNEP
KW  - Agua
KW  - Contaminación del Agua
N1  - 04682; The hydrogeological cycle. Water in aquifers. How groundwater flows. Early uses of groundwater. Where groundwater is used. The advantages of groundwater. Groundwater quality. Inadequate control. The pollution of groundwater. Protecting groundwater resources. Assessing groundwater resources.
ER  -