@misc{Sidorowicz_J._Czarna_1958,
 author={Sidorowicz, J.},
 volume={2},
 number={14},
 copyright={Rights Reserved - Free Access},
 journal={Acta Theriologica},
 address={Białowieża},
 howpublished={online},
 year={1958},
 language={pol},
 title={Czarna wiewiórka ( Sciurus vulgaris fuscoater Altum) w Białowieży; Dark phase of the squirrel ( Sciurus vulgaris fuscoater Altum) in Białowieża},
 type={Text},
 URL={http://www.rcin.org.pl/Content/7877/PDF/BI002_2613_Cz-40-2_Acta-T2-nr14-295_o.pdf},
 keywords={Białowieża, dark phase, Sciurus vulgaris, Sciurus vulgaris fuscoater},
}