Evalution of jumping capacities in high-level volleyball players - Ciccarone, G.; Bonifazi, M.; Di Napoli, E.; Martelli, G.; Stabile, M.; Fontani, G. (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)