@misc{Morel_Sławomir_Influence,
 author={Morel Sławomir and Skrzyniarz Magdalena},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Częstochowskiej},
 language={eng},
 title={Influence of solar collector surface on its thermal energy efficiency},
 type={artykuł},
 keywords={solar energy, solar, photovoltaics, energia słoneczna, solary, fotowoltaika},
}