@misc{Wąsik_Jacek_Kinetics_2015,
 author={Wąsik, Jacek},
 type={artykuł},
 publisher={Projack},
 title={Kinetics of the knife-hand strike used in power breaking in ITF Taekwon-do},
 address={Częstochowa},
 year={2015},
 language={eng},
}