Ancient terracotta lamps from Anatolia and the eastern Mediterranean to Dacia, the Black Sea and beyond. Comparative lychnological studies in the eastern parts of the Roman Empire and peripheral areas. Papers presented at the international symposium, dedicated to Hugo Thoen, May 16-17, 2019 / Izmir, Turkey, İzmir, Turkey, 16 - 17 May 2019, vol.1, pp.49-50