@misc{Blaha_Ladislav_Determining_2019,
 author={Blaha, Ladislav and Cihlar, David},
 type={artykuł},
 publisher={Projack},
 title={Determining Differences among Genders and Days of the Week in Adolescent Physical Activity Levels Using Pedometers in Northwestern Bohemia},
 address={Częstochowa},
 year={2019},
 language={eng},
}