@misc{Harmata_W._The_1987,
 author={Harmata, W.},
 volume={32},
 number={21},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1987},
 language={eng ; sum. eng.},
 type={Text},
 title={The frequency of winter sleep interruptions in two species of bats hibernating in limestone tunnels},
 URL={http://rcin.org.pl/Content/11233/PDF/BI002_26016_Cz-40-2_Acta-T32-nr21-331-332_o.pdf},
 keywords={bats, hibernation, limestone tunnels, Myotis myotis, Rhinolophus hipposideros, winter sleep interruptions, Podkowiec mały, Nocek duży, nietoperz, sen zimowy},
}