title: [Removal of residual matter from mixerless sand filters and prevention of growths].
authors.forename: V V
authors.initials: VV
authors.lastname: BOLOTNYI
mesh_terms: D005374:Filtration; D006801:Humans; D012822:Silicon Dioxide; D014881:Water Supply
chemical_list: D012822:Silicon Dioxide
keywords: WATER/supply
vernacular_title: Udalenie ostatochnykh zagriaznenii peska skorykh bezmeshalochnykh fil' trov i preduprezhdenie ikh rosta.