(NbUGRISTYE TORFQNIKI (B/s - (NpXQW^ENKO(B, (NnIKOLAJ iWANOWI^s; (NsUKA^EW(B, (Nw(B.(Nn(B.s; (NiNSTITUT LESA an sssrs ((NmOSKWA (B:s (NiZD(B-(NWO an sssr(B,s, 1955)
Keywords: (NfIZI^ESKAQ GEOGRAFIQs