@misc{Pucek_Z._[Mieszańce_15.02.1960,
 author={Pucek, Z.},
 copyright={Rights Reserved - Restricted Access},
 howpublished={online},
 year={15.02.1960},
 title={[Mieszańce dzika i świni w zagrodzie]},
 keywords={wild boar, pig, hybid, sus scrofa},
}