(NgIDROGEOLOGI^ESKIE STRUKTURY I GIDROGEOLOGI^ESKOE RAJONIROWANIE (B:s (NkONSPEKT LEKCIJ (B/s - (NrUSANOW(B, (Nb(B. (Nd(B.s; (NtOLSTIHIN(B, (Nn(B. (Nn(B.s ((NlENINGRAD (B:s (Nb(B. (NI(B.,s, 1973)
(NmINISTERSTWO WYS[(B. (NI SREDN(B. (NSPEC(B. (NOBRAZOWANIQ rsfsr(B. (NlENINGRADSKIJ GIDROMETEOROLOGI^ESKIJ IN(B-(NTs
Keywords: (NgIDROGEOLOGI^ESKIE STRUKTURYs