@misc{Żurowski_W._Characteristics_1986,
 author={Żurowski, W. and Kasperczyk, B.},
 volume={31},
 number={24},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1986},
 language={eng ; sum. eng. ; pol.},
 type={Text},
 title={Characteristics of a European beaver population in the Suwałki Lakeland},
 URL={http://rcin.org.pl/Content/11177/PDF/BI002_2613_Cz-40-2_Acta-T31-nr24-312-325_o.pdf},
 keywords={Castor fiber, density, habitat preference, population, production, Suwałki Lakeland, charakterystyka populacji},
}