Manigda, O. V. ., Borysov, A. V. ., Belenko, M. M. ., & Pichkur, Y. V. . (2021). BUSHEVE AND PISCHANA — HILL-FORTS OF POROSSYA DEFENSIVE LINE. TOPOGRAPHIC SURVEY AND STRATIGRAPHIC RESEARCHES. Archaeology and Early History of Ukraine, 38(1(38), 113–124. https://doi.org/10.37445/adiu.2021.01.10