Authors
Raisa Gracheva
Institute of Geography, Russian Academy of Sciences, Staromonetny per. 29,, Moscow, Russian Federation
Elena Belonovskaya
Institute of Geography, Russian Academy of Sciences, Staromonetny per. 29,, Moscow, Russian Federation
Vera Vinogradova
Institute of Geography, Russian Academy of Sciences, Staromonetny per. 29,, Moscow, Russian Federation