@article{polymeris2014search,
author = "Polymeris, George and Valeria Giannoulatou and Ioanna K Sfampa and Tsirliganis, Nestor and George Kitis",
journal = "Journal of Luminescence",
pages = "245--251",
publisher = "Elsevier",
title = "{S}earch for stable energy levels in materials exhibiting strong anomalous fading: the case of apatites ",
volume = "153",
year = "2014",
}