(NgIDROTEHNI^ESKIE SOORUVENIQ (B:s (Nu^EBNOE POSOBIE (B/s - (NzAMARIN(B, (NeWGENIJ aLEKSEEWI^s; (NfANDEEW(B, (NwASILIJ wASILXEWI^s ((NmOSKWA (B:s (NgOS(B. (NIZD(B-(NWO SELXSK(B. (NLIT(B.,s, 1960)
Keywords: (NgIDROTEHNI^ESKOE STROITELXSTWO(B. (NsTROITELXSTWO KANALOW(B. (NmELIORATIWNOE STROITELXSTWOs