@misc{Żurowski_W._Marking_1970,
 author={Żurowski, W.},
 volume={15},
 number={30},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1970},
 language={eng},
 title={Marking beavers},
 type={Text},
 URL={http://rcin.org.pl/Content/11396/PDF/BI002_2613_Cz-40-2_Acta-T15-nr30-520-523_o.pdf},
 keywords={marking beavers, znakowanie, bóbr},
}