The issue of the initial recognition of tennis talents based on the psycho-bodily abilities (psycho-motive and psychological balance) during the process of the initial training of children aged 6-8 years - Katsagolis, A.; Zarotis, G.; Koronas, K.; Mandis, K.; Karagiani, O. (Book of Abstracts - 9th Annual Congress European College of Sport Science, July 3-6, 2004, Clermont-Ferrand, France, 2004)