Płaza, Dominik Kacper, and Piotr Papiernik. “Three Stories About the Exploitation of ‘Chocolate’ Flint During the Stone Age in Central Poland”. Archaeologia Polona 56 (January 1, 2018): 56–65. Accessed April 20, 2024. https://journals.iaepan.pl/apolona/article/view/APa56.2018.005.