Tytar, Volodymyr, et al. “POSITIVE RELATIONSHIPS BETWEEN HUMAN IMPACT AND BIODIVERSITY: THE CASE OF THE FIRE-BELLIED TOAD (BOMBINA BOMBINA) IN EUROPE”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, vol. 1, June 2019, pp. 311-4, https://doi.org/10.17770/etr2019vol1.4099.