Football practice with youth players in the "Footbonaut" - Vogt, T.; Gassen, S.; Wrede, S.; Spielmann, J.; Jedrusiak-Jung, M.; Härtel, S.; Mayer, J. (German Journal of Exercise and Sport Research, 2018)
Keywords: test; soccer; quality criterion; youth; error; auxiliary device; training; Germany; training science; junior sports; sport games