@misc{Kristiansson_H._Young_1981,
 author={Kristiansson, H.},
 volume={26},
 number={34},
 copyright={Rights Reserved - Free Access},
 journal={Acta Theriologica},
 address={Białowieża},
 howpublished={online},
 year={1981},
 title={Young production of European hedgehog in Sweden and Britain},
 type={Text},
 URL={http://rcin.org.pl/ibs/Content/17627/PDF/BI002_2613_Cz-40-2_Acta-T26-nr34-504-507_o.pdf},
 keywords={Erinaceus europaeus, Jeż europejski, reproduction},
}