Kalinowski, Paweł, Katarzyna Kalinowska, Damian Jerszyński, Krzysztof Rachwalski, and Dariusz Pietranis. “Footballers’ Endurance Based on Berlin Football Teams”. Quality in Sport 6, no. 3 (August 11, 2020): 35–41. Accessed September 20, 2024. https://apcz.umk.pl/QS/article/view/QS.2020.018.