@misc{Herdzik_Jerzy_Energy,
 author={Herdzik, Jerzy},
 address={Koszalin},
 howpublished={online},
 publisher={Politechnika Koszalińska},
 language={eng},
 type={artykuł w czasopiśmie},
 title={Energy efficiency operational indicator as an indexof carbon dioxide emission from marine transport},
 keywords={marine transport, emission to atmosphere, carbon dioxide, energy efficiency operationalindicator, ship operation, shipping},
}