Lech, J., D. Makowicz-Poliszot, and A. Rauba-Bukowska. “Identification of a Fragment of an Early Bronze Bone Recovered from the Borownia Striped Flint Mine in the Ostrowiec District (on the Centenary of Polish Research on Prehistoric Flint Mining)”. Ana­lecta Archa­eolo­gica Res­so­viensia, vol. 14, Dec. 2019, pp. 57-68, doi:10.15584/anarres.2019.14.4.