Biodiagnostics of Resistance to the Copper (Cu) Pollution of Forest Soils at the Dry and Humid Subtropics in the Greater Caucasus Region oleh Sergey Kolesnikov, Anna Kuzina, Tatiana Minnikova, Tigran Ter-Misyakyants, Elena Nevedomaya, Yulia Akimenko, Dmitry Trufanov, Kamil Kazeev, Marina Burachevskaya, Tatiana Minkina, Sudhir S. Shende, Anatoly Barakhov