Schöffl, I., B. Bliemsrieder, T. Küpper, and V. 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, vol. 16, no. 3, Sept. 2021, pp. 16-25, doi:10.5604/01.3001.0015.3034.