Корохина, А. В., and В. И. Квитковский. “Materials of Late — Final Bronze Age From the Multilayer Settlement of Pyatnitskoe-I in Severskiy Donets Basin”. Antiquities (Drevnosti). Kharkiv Historical & Archaeological Annual, Vol. 13, Dec. 2016, pp. 107-23, https://periodicals.karazin.ua/drevnosti/article/view/4855.