(NpROTIWOPOVARNOE WODOSNABVENIE (B: s (Nu^EBNOE POSOBIE (B/s - (NlOBA^EW(B, (NwLADIMIR gRIGORXEWI^s; (NkORELXSKIJ(B, (Nd(B.(Nm(B.s ((NmOSKWA (B; s (NlENINGRAD (B: s (NiZD(B-(NWO m(B-(NWA KOMMUN(B. (NHOZQJSTWA rsfsr(B, s, 1950)
Keywords: (NpROTIWOPOVARNYE WODOPROWODYs