@misc{Grunwald_H._Changes_1975,
 author={Grunwald, H.},
 volume={20},
 number={26},
 copyright={Rights Reserved - Free Access},
 journal={Acta Theriologica},
 address={Białowieża},
 howpublished={online},
 year={1975},
 language={eng ; Sum. ang ; pol.},
 title={Changes in trappability of common vole},
 type={Text},
 URL={http://rcin.org.pl/Content/10273/PDF/BI002_2613_Cz-40-2_Acta-T20-nr26-333-341_o.pdf},
 keywords={activity changes, Microtus arvalis, phenological factors, trappability, Nornik zwyczajny, dynamika łowności},
}