EVGEN’EVICH SHEVCHENKO, Nikolaj and PETROVNA GERASKINA, Anna. Northwest Caucasus forest spreading evaluation by GIS modeling and historical and geographic data analysis. Ecological Questions. Online. 15 March 2019. Vol. 30, no. 2, pp. 47-55. [Accessed 22 July 2024]. DOI 10.12775/EQ.2019.011.