@misc{Macdonald_S._M._Observations_1980,
 author={Macdonald, S. M. and Mason, C. F.},
 volume={25},
 number={19},
 copyright={Rights Reserved - Free Access},
 journal={Acta Theriologica},
 address={Białowieża},
 howpublished={online},
 year={1980},
 language={eng ; sum. eng. ; pol.},
 title={Observations on the marking behaviour of a coastal population of otters},
 type={Text},
 URL={http://rcin.org.pl/ibs/Content/10633/PDF/BI002_2613_Cz-40-2_Acta-T25-nr19-245-253_o.pdf},
 keywords={marking behaviour, habitat, Lutra lutra, population, znakowanie terenu, wydra},
}