@misc{Krawiec_Stanisław_Hazards,
 author={Krawiec, Stanisław},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Śląskiej},
 language={eng},
 title={Hazards for electronic transactions in the wide area networks},
 type={artykuł},
 keywords={Politechnika Śląska, logistyka, transport},
}