Tarasov, Alexey, and Sergey Stafeev. “Estimating the Scale of Stone Axe Production: A Case Study from Onega Lake, Russian Karelia”. Journal of Lithic Studies 1, no. 1 (March 15, 2014): 239-261. Accessed April 24, 2024. http://journals.ed.ac.uk/lithicstudies/article/view/757.