@misc{Mandula_Ján_The,
 author={Mandula, Ján},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Śląskiej},
 language={eng},
 title={The calculation model of levels of noise produced by trams},
 type={artykuł},
 keywords={Politechnika Śląska, logistyka, transport},
}