Directions of changes of technical and tactical skills by wrestlers free style within 12 years, 1996-2008

KRUSZEWSKI, Artur et al. Directions of changes of technical and tactical skills by wrestlers free style within 12 years, 1996-2008. In Journal of combat sports and martial arts. - MEDSPORTPRESS, 2011. ISSN 2081-5735, 2011, vol. 2, no. 2, pp. 117-123.