@misc{Štrpka_Alexander_Decision,
 author={Štrpka, Alexander and Békés, Ján},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Śląskiej},
 language={eng},
 title={Decision in beginning of product design},
 type={artykuł},
 keywords={Politechnika Śląska, mechanika},
}