Approach to conservation of irregular stone masonry based on archaeological excavations in the Black Sea basinWojciech Terlikowski, Kacper Wasilewski, Ewa Sobczyńska and Martyna Gregoriou-SzczepaniakE3S Web Conf., 49 (2018) 00117DOI: https://doi.org/10.1051/e3sconf/20184900117