@misc{Valkova_Hana_Family,
 author={Valkova, Hana},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 language={eng},
 type={artykuł},
 title={Family sport atmosphere and motor achievements of pupils with learning difficulties},
}