Górzyński, Tomasz, and Jacek Rakoczy. “Methods of Gathering Spatial Data for Archaeological Research Upon the Roman Fort in Bologa (Romania): _________________________________”. Acta Archaeologica Lodziensia, vol. 64, Oct. 2019, pp. 89-98, https://czasopisma.ltn.lodz.pl/Acta-Archaeologica-Lodziensia/article/view/569.