Effects of repeated sprint ability training period on cardio-respiratory fitness in adolescent tennis players - Moya, M.; Sarabia, J. M.; Guillén, S.; Fernández-Blasco, M. J.; Aracil, A.; Torres-Luque, G. (17th Annual Congress of the European College of Sport Science (ECSS), Bruges, 4. -7. July 2012, 2012)