@misc{Liu_Yufeng_Biomechanical_2020,
 author={Liu, Yufeng and Kong, Jianguo and Wang, Xiuping and Shan, Gongbing},
 type={artykuł},
 publisher={Projack},
 title={Biomechanical analysis of Yang’s spear turning-stab technique in Chinese martial arts},
 address={Częstochowa},
 year={2020},
 language={eng},
}