@misc{Toczek-Werner_Sylwia_Participation,
 author={Toczek-Werner, Sylwia and Sołtysik, Mariusz},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 language={eng},
 type={artykuł},
 title={Participation of Poles in outdoor sports activities in view of age diversification},
 keywords={sports activity, natural environment, preferences, motivation},
}