Light and Luminosity in Early Medieval Mosaics on the Example of the Representation of the Last Judgement on the West Wall of Torcello's Basilica - Krauze Kolodziej, A. (Ancient lamps from Balkans and beyond : acts of the 4th International Lychnological Congress («Ex Oriente Lux», Ptuj, 15th-19th of May, 2012) : in memory of Jean Bussière /, 2019)