@misc{Pustovrh_Janez_Analysis,
 author={Pustovrh, Janez},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 language={eng},
 type={artykuł},
 title={Analysis of differences between selected morphological and motor variables in boys and girls practicing cross-country skiing},
}