Schöffl, I., J. Wüstenfeld, G. Jones, S. Dittrich, C. Lutter, and V. Schöffl. “Cardiopulmonary Exercise Tests of Adolescent Elite Sport Climbers – a Comparison of the German Junior National Team in Sport Climbing and Nordic Skiing”. Health Promotion & Physical Activity, vol. 14, no. 1, Feb. 2021, pp. 1-8, doi:10.5604/01.3001.0014.7755.