@misc{Zalewski_K._Characterization_2009,
 author={Zalewski, K. and Martysiak-Żurowska, D. and Chylińska-Ptak, M. and Nitkiewicz, B.},
 copyright={na miejscu},
 howpublished={online},
 year={2009},
 publisher={HARD Publishing Company},
 abstract={od strony: 793},
 title={Characterization of Fatty Acid Composition in the European Beaver (Castor fiber L.)},
 type={artykuł z czasopisma},
}