@misc{Don_B._A._C._Empirical_1984,
 author={Don, B. A. C.},
 volume={29},
 number={15},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1984},
 language={eng ; Sum. eng ; pol.},
 type={Text},
 title={Empirical evaluation of several population size estimates applied to the grey squirrel},
 URL={http://rcin.org.pl/Content/11086/PDF/BI002_2613_Cz-40-2_Acta-T29-nr15-187-203_o.pdf},
 keywords={capture-recapture, population size, Sciurus carolinensis, Wiewiórka szara, liczebność, wielkość populacji},
}