(NpROBLEMY GEOHIMII W GEOGRAFII(B, (NGEOLOGII(B, (NPO^WOWEDENII (B:s (NmEVWUZOWSKIJ SBORNIK NAU^NYH TRUDOW (B/s - (NaLE]UKIN(B, (Nl(B.(Nw(B.s; (NmOSKOWSKIJ GOSUDARSTWENNYJ PEDAGOGI^ESKIJ INSTITUT IM(B. (Nw(B.(Ni(B. (NlENINAs ((NmOSKWA (B:s (Nmgpi(B,s, 1983)
Keywords: (NgEOHIMIQs