Schöffl, Isabelle, Bernhard Bliemsrieder, Thomas Küpper, and Volker Schöffl. “Sportspecific Performance Diagnosis in Ski Mountaineering — Comparison of a sportspecific Cardiopulmonary Exercise Test on a Treadmill Versus Outdoors and at Altitude, a Pilot Study”. Health Promotion & Physical Activity 16, no. 3 (September 28, 2021): 16–25. Accessed May 17, 2024. https://www.journals.anstar.edu.pl/index.php/hppa/article/view/163.