[Water hygiene and sanitary control of reservoirs in relation to urbanization].
D002170:Canada; D005060:Europe; D007220:Industrial Waste; D007564:Japan; D012722:Sewage; D014481:United States; D014507:Urbanization; D014876:Water Pollution; D014881:Water Supply
D007220:Industrial Waste; D012722:Sewage
Voprosy gigieny vody i sanitarnoĭ okhrany vodoemov v sviazi s urbanizatsieĭ.