Kalina, R. M., Jagie, W., Kruszewski, A. Julkaisussa 8th International Sports Science Conference, Vilnius, 25-26 February 2005 (2005)
Zaton, K., Chrobot, M. Julkaisussa 8th International Sports Science Conference, Vilnius, 25-26 February 2005 (2002)