Harizanov, Alexander. “A New Centre for Ceramic Production from the Roman Province of Thrace (2nd–3rd century): Preliminary Results”. Rei Cretariae Romanae Fautorum Acta, vol. 44, Jan. 2017, pp. 581-94, https://archaeopresspublishing.com/ojs/index.php/RCRF/article/view/2075.