@misc{Jefferies_D._J._Causes_1969,
 author={Jefferies, D. J.},
 volume={157},
 copyright={Prawa zastrzeżone - dostęp ograniczony},
 address={London},
 journal={Journal of Zoology, Lond.},
 howpublished={online},
 year={1969},
 publisher={Wiley-Blackwell},
 language={eng},
 type={Tekst},
 title={Causes of badger mortality in eastern counties of England},
 keywords={Badger, England, Incomplete, Meles meles, Mortality},
}