Gurova, Maria. “Flint Assemblages in the Context of Cultural Transition During the 6th Millennium BC: A Case Study from Bulgaria”. Bulgarian e-Journal of Archaeology | Българско е-Списание за Археология 8, no. 2 (December 20, 2018): 113–143. Accessed June 29, 2022. https://be-ja.org/index.php/journal/article/view/be-ja-8-2-2018-113-143.