Surzhik, M. M., G. M. Sidorova, N. V. Mukhina, T. V. Naumova, and V. V. Falko. “Assessment of Landscape and Environmental Conditions of Susuman District of Magadan Region”. Amazonia Investiga, vol. 8, no. 24, Nov. 2019, pp. 324-3, https://amazoniainvestiga.info/index.php/amazonia/article/view/990.