@misc{Birks_J._D._S._A_1997,
 author={Birks, J. D. S.},
 volume={243},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 journal={Journal of Zoology, Lond.},
 howpublished={online},
 year={1997},
 publisher={Wiley-Blackwell},
 language={eng},
 title={A volunteer-based system for sampling variations in the abundance of polecats (\{Mustela putorius)},
 type={Text},
 keywords={Great Britain, Mustela putorius, Polecats},
}