@misc{Sobociński_Michał_Analysis,
 author={Sobociński Michał},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 title={Analysis of friction and lubrication of human joint’s surfaces},
 type={artykuł},
 keywords={friction, coefficient of friction, tribological model},
}