Гугля, Ю. О., and Є. О. Каролинський. “On Lepidoptera of the National Nature Park ‘Dvorichanskyi’ (Kharkiv Region, Ukraine) and Its Surroundings”. The Journal of V.N.Karazin Kharkiv National University. Series «Biology», Vol. 19, no. 1097, Oct. 2014, pp. 17-25, https://periodicals.karazin.ua/biology/article/view/192.