Evaluation of anaerobic components: speed, explosive power output and reactivity throughout the soccer season - Kempenaers, F.; Buyse, L.; Sterckx, G.; Busschaert, B.; de Schutter, G.; Meeusen, R.; de Meirleir, K. (Book of abstracts of the 6th annual congress of the European College of Sport Science, 15th congress of the German Society of Sport Science. Cologne, 24-28 July 2001, 2001)