KALINOWSKI, Paweł, KALINOWSKA, Katarzyna, JERSZYŃSKI, Damian, RACHWALSKI, Krzysztof and PIETRANIS, Dariusz. Footballers’ endurance based on Berlin football teams. Quality in Sport. Online. 11 August 2020. Vol. 6, no. 3, pp. 35-41. [Accessed 16 September 2024]. DOI 10.12775/QS.2020.018.