Associations between objective measures of performance-related characteristics and perceived stress in young cross-country skiers during pre-season training - Mishica, C.; Kyröläinen, H.; Taskinen, S.; Hynynen, E.; Nummela, A.; Holmberg, H.-C.; Linnamo, V. (9th International Congress on Science and Skiing, March 18 - 22, 2023, Saalbach-Hinterglemm, Austria, 2023)