(NgEOGRAFI^ESKIE OTKRYTIQ W sssrs - (NgWOZDECKIJ(B,(Nn(B. (Na(B.s (NnIKOLAJ aNDREEWI^s ((Nm(B.s (NpROSWE]ENIEs, 1978)
Keywords: (NgEOGRAFI^ESKIE OTKRYTIQ I ISSLEDOWANIQ(B, (NSOWETSKIEs