@misc{Cych_Piotr_Structure,
 author={Cych, Piotr},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 language={eng},
 type={artykuł},
 title={Structure of activities in children's orienteering},
 keywords={orienteering, action structure, child},
}