Spieszny, M., K. Görner, A. Jurczak, and T. Klocek. “Evaluation of the Speed Training of the Sport Games Players by Means of a Short Running Test”. Acta Salus Vitae, vol. 2, no. 2, Mar. 2014, https://odborne.casopisy.palestra.cz/index.php/actasalusvitae/article/view/40.