@misc{Bujak_Zbigniew_Professional_2013,
 author={Bujak, Zbigniew and Gierczuk, Dariusz},
 type={artykuł},
 publisher={Projack},
 title={Professional activities of an Olympic martial sports trainer},
 address={Częstochowa},
 year={2013},
 language={eng},
 keywords={boxing, taekwondo, wrestling, professional activities of a trainer},
}