[Incorrect elucidation of the problems of sanitary protection of the water reservoirs].
D012499:Sanitation; D014867:Water; D014881:Water Supply
D014867:Water
SANITATION; WATER SUPPLY
O nepravil'nom osevshchenii voprosov sanitarnoi okhrana otkrytykh vodoemov Krivorozhskogo zhelezorudnogo basseina.