@ARTICLE{Papacz_Władysław_J._Biomethane_2012,
 author={Papacz, Władysław J.},
 number={No 3},
 journal={Archives of Transport},
 howpublished={online},
 year={2012},
 publisher={Polish Academy of Sciences Committee of Transport Design},
 title={Biomethane as an Environment-Friendly Fuel for Municipal Transport},
 URL={http://journals.pan.pl/Content/95061/mainfile.pdf},
}