ПоловкаC. Г., and О. А. Половка. “Historical Cut of Natural Geographical Research Formation in Kharkiv Society of Naturalists in the Second Half of XIX – Early XX Century”. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology"0, no. 46 (November 1, 2017): 129-135. Accessed November 23, 2024. https://periodicals.karazin.ua/geoeco/article/view/9525.