@misc{Martinková_Irena_Sport,
 author={Martinková, Irena},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 language={eng},
 type={artykuł},
 title={Sport Competition and Health: a Healthy Relationship?},
 keywords={sport competition, health, balance, Coubertin Pierre de, martial arts},
}