VolontsevichО. О. “The Role Of The Natural Reserved Fund Objects Of Kharkiv City In The Conservation Of Regional Ornithocomplexes”. Visnyk of V. N. Karazin Kharkiv National University Series «Еcоlogy», no. 1054, 1, pp. 117-24, https://periodicals.karazin.ua/ecology/article/view/813.