@misc{Verheyden_C._Studies_1991,
 author={Verheyden, C.},
 volume={36},
 number={3-4},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1991},
 language={eng ; Sum. eng.},
 type={Text},
 title={Studies on the European hare. 41. A spotlight, circular-plot method for counting Brown hares in the hedgerow system},
 URL={http://rcin.org.pl/Content/11761/PDF/BI002_2613_Cz-40-2_Acta-T36-nr22-255-265_o.pdf},
 keywords={census method, closed habitats, density estimates, Lepus europaeus, spotlight, population, populacja, Zając szarak},
}