41
Cost effective groundwater quality sampling network design
44
Agua subterrǹea , el recurso oculto
45
Contaminacin̤ de las aguas subterrǹeas
46
Industrial and urban pollution of groundwater
50
Water management , technology, economy and environment
51
Groundwater Management , efficiency and sustainability
52
<U+00bf>Es sostenible el uso del agua en Europa?
56
Gestin̤ del agua en la industria papelera