[APROPOS OF REGULATING SANITARY FLUSHING OF WATER IN CONDITIONS OF A CASCADE WATER RESEVOIR].
D014586:USSR; D014867:Water; D014876:Water Pollution; D014881:Water Supply
D014867:Water
USSR; WATER POLLUTION; WATER SUPPLY
K VOPROSU OB USTANOVLENII SANITARNYKH POPUSKOV VODY V USLOVIIAKH KASKADA VODOKHRANILISHCH.