Gabrys, Tomasz, Michal Garnys, Urszula Szmatlan-Gabrys, Lidia Stanisz, Remigiusz Rzepka, and Artur Lukasiewicz. “Results of Intensity Variable Effort on Condition of Polish National Team Cross Country MTB Cyclists”. Journal of Science and Cycling 6, no. 3 (January 25, 2018). Accessed July 3, 2024. https://jsc-journal.com/index.php/JSC/article/view/345.