"Aigua Diccionaris." . . "Wasserreserve." . . "Wörterbuch." . . "Climate factors" . . "Ferskvand" . . "Hydrologia encyklopedie." . . "Hydrologie Encyclopédies." . . "Englisch" . . "Encyclopedia" . . "Hydrology." . . "Hydrology" . "Meteorology" . . "Water management" . . "Watervoorziening." . . "Klimazoner" . . . . . . . . . . . . . . . . . . . . . . . . "Encyclopedieën (vorm)" . . . . . . . . . "Encyclopedia of hydrology and water resources"@en . "Encyclopedia of hydrology and water resources" . . . . . . . . . . . . . . . . . . "Encyclopedias" . "Encyclopedias"@en . . . . . . . . . . . . . . . . . . . . . . . . "Eau." . . "Water-supply." . . "Fysisk-kemiske egenskaber" . . "Acqua - Enciclopedie e dizionari." . . "Water resources" . . "Freshwater" . . "Ressources en eau Encyclopédies." . . "Hidrología Diccionarios ingleses." . . "Pollution de l'eau." . . "Leksikon" . . "Hidrologia Diccionaris." . . "Vandressourcer" . . "Chemicophysical properties" . . "Idrologia - Enciclopedie e dizionari." . . "Hydrologie." . . "Approvisionnement en eau Encyclopédies." . . "Hydrologie Wörterbuch." . . "Climatic zones" . . . . "Gestion des ressources en eau Encyclopédies." . . "Klimatiske faktorer" . . "Lande" . . "Ressources en eau." . . "Wasserreserve Wörterbuch." . . "Woda zaopatrzenie encyklopedie." . . "Hydrologi" . . "Countries" . . "Meteorologi" . . "Vandressourcestyring" . .