Kick double poling technique - factors distinguishing between skill levels in elite cross-country skiers - Lindinger, S.; Müller, E.; Göpfert, C.; Stöggl, T.; Holmberg, H. C. (Book of Abstracts. 5th International Congress on Science and Skiing, Dec. 14 - 19, 2010, St. Christoph am Arlberg, 2010)