KorniienkoV., and StrykharM. “Medieval Glass Dishes from the Excavations of the Necropolis of the XI-XIII Centuries at the Courtyard of St. Sophia Cathedral in Kyiv: Restoration Research”. Eminak: Scientific Quarterly Journal, Vol. 1, no. 3 (23), Sept. 2018, pp. 5-17, https://eminak.net.ua/index.php/eminak/article/view/145.