RYABCHIKOV, A.
The changing face of the earth /A.Ryabchikov; translated by John Williams - Moscow Progress pub. 1975 - 205 p.
Includes bibliography
Physical geography
910.11 / RYA
The changing face of the earth /A.Ryabchikov; translated by John Williams - Moscow Progress pub. 1975 - 205 p.
Includes bibliography
Physical geography
910.11 / RYA