@misc{Trzcińska_Dorota_Physical,
 author={Trzcińska, Dorota},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 language={eng},
 type={artykuł},
 title={Physical fitness of children and youth from regions of Poland with various degrees of environmental contamination},
}