[On the problem of purifying the sewage of the schist processing industry].
D007220:Industrial Waste; D010636:Phenols; D012722:Sewage; D014586:USSR; D014876:Water Pollution / Q000517:prevention & control*
D007220:Industrial Waste; D010636:Phenols; D012722:Sewage
K voprosu ob ochistke stochnykh vod slantsepererabatyvaiushchego proizvodstva.