Gregory, James S.
U. S. S. R. a geographical survey - 1st ed. - New York John wiley & sons 1944 - 636p.
912.47 / GRE/1944
U. S. S. R. a geographical survey - 1st ed. - New York John wiley & sons 1944 - 636p.
912.47 / GRE/1944