@misc{Pucek_Z._[Byk_26.08.1960,
 author={Pucek, Z.},
 copyright={Rights Reserved - Free Access},
 howpublished={online},
 year={26.08.1960},
 title={[Byk Ananas (Małkin)]},
 keywords={bison, Bison bonasus bonasus, park, bull},
}