Effect of a six-month training period on VO2 peak, gross efficiency and kinematic variables in the G3 sub-technique on roller skis on intermediate / novice cross country skiers. - Van den Tillaar, R.; Sundsvik, E.; Torvik, P. Ø. (Book of Abstracts. 4th Nordic Winter Sports Conference "Performance in snow sports: Translating science into practice" 3rd-4th October, 2022, Mid Sweden University, Campus Östersund, Sweden, 2022)