TThe watershedThe watershedde Walter RastMateriasWater-supplyWatershedsEdiciones (1)The watershed (2001)UNEP-International Environment Technology Centre · inglésMás obras de Walter RastLake and reservoir managementEutrophicationBBab Edh-Dhra'Bab Edh-Dhra'
DDocumentation of a data base on lake and reservoir water quaDocumentation of a data base on lake and reservoir water quality in the United States
EEutrophication management framework for the policy-makerEutrophication management framework for the policy-maker
