(NfIZIKO(B-(NGEOGRAFI^ESKIE OSNOWY RAZWITIQ I RAZME]ENIQ PROIZWODITELXNYH SIL nE^ERNOZEMNOGO uRALA (B:s (NmEVWUZOWSKIJ SBORNIK NAU^NYH TRUDOW (B/s - (N~ERNYH(B, (Ne(B.(Na(B.s; (NpERMSKIJ GOSUDARSTWENNYJ UNIWERSITET IM(B. (Na(B.(Nm(B. (NgORXKOGOs ((NpERMX (B:s (Npgu(B,s, 1977)
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Keywords: (NuRALs; (NfIZI^ESKAQ GEOGRAFIQ (B- (NuRALs