(NtEHNIKO(B-(N\KONOMI^ESKIE RAS^ETY WODOPROWODNYH SISTEM NA |wm (B:s (Nu^EBNOE POSOBIE DLQ WUZOW PO SPEC(B. "(NwODOSNABVENIE I KANALIZACIQ(B" /s - (NbELAN(B, (Na(B.(Ne(B.s; (NhORUVIJ(B, (Np(B.(Nd(B.s ((NkI)QÇW (B:s)E (NwI]A [kI)QÇW(B,s)E, 1979)