German Journal of Exercise and Sport Research
German Journal of Exercise and Sport Research > 2009 > 39 > 4 > 318-329
German Journal of Exercise and Sport Research > 2009 > 39 > 4 > 298-308
German Journal of Exercise and Sport Research > 2009 > 39 > 4 > 283-297
German Journal of Exercise and Sport Research > 2009 > 39 > 4 > 309-317