[Hygienic effectiveness of certain sanitation measures for the Belaia river].
D007220:Industrial Waste / Q000517:prevention & control; D008722:Methods; D012498:Sanitary Engineering; D012722:Sewage; D014586:USSR; D014876:Water Pollution / Q000517:prevention & control*
D007220:Industrial Waste; D012722:Sewage
Gigienicheskaia éffektivnost' nekotorykh meropriiatiĭ po sanitarnoĭ okhrane reki Beloĭ.