@misc{Gill_J._Bisoniana_1998,
 author={Gill, J.},
 volume={43},
 number={4},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1998},
 language={eng ; Sum. eng.},
 type={Text},
 title={Bisoniana 115. Do the abiotic environmental factors influence the reproduction rate in the free-ranging European bison in Białowieża Primeval Forest ?},
 URL={http://rcin.org.pl/Content/12789/PDF/BI002_2613_Cz-40-2_Acta-T43-nr40-417-432_o.pdf},
 keywords={Białowieża, Białowieża Primeval Forest, Bison bonasus, environmental factors, European bison, free-ranging, meteorological data, number of calves, reproduction rate, żubr, Puszcza Białowieska},
}