@misc{Flekiewicz_Marek_The,
 author={Flekiewicz, Marek and Kubica, Grzegorz},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Śląskiej},
 language={eng},
 title={The method of practical verification of the mathematical model of gas engine powered by LPG},
 type={artykuł},
 keywords={Politechnika Śląska, logistyka, transport},
}