@misc{Lieberum_Andreas_First,
 author={Lieberum, Andreas},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Polskie Towarzystwo Elektrotechniki Teoretycznej i Stosowanej},
 language={eng},
 type={digital document},
 title={First results of our campaign in promoting CNG-cars in Bremen},
 keywords={conference proceedings, conferences, hybrid vehicles, urban transport},
}