[Optimization of surface-water quality. (A proposal for solving a future problem)].
D005860:Germany, West; D007878:Legislation as Topic; D008962:Models, Theoretical; D011156:Population Density; D011446:Prospective Studies; D012212:Rheology; D012498:Sanitary Engineering; D012722:Sewage; D014876:Water Pollution; D014881:Water Supply
D012722:Sewage
Die Optimierung der Oberflächenwasserqualität. (Projektvorschlag für die Zukunft.