@misc{Macdonald_S._M._Seasonal_1987,
 author={Macdonald, S. M. and Mason, C. F.},
 volume={32},
 number={27},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1987},
 language={eng ; sum. eng. ; pol.},
 title={Seasonal marking in an otter population},
 type={Text},
 URL={http://www.rcin.org.pl/Content/11240/PDF/BI002_2613_Cz-40-2_Acta-T32-nr27-449-461_o.pdf},
 keywords={Lutra lutra, scent marking, seasonal marking, sezonowość znakowania, wydra},
}