@misc{,
 number={151},
 copyright={Public Domain},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 address={Białowieża},
 journal={Journal of Zoology, London.},
 howpublished={online},
 publisher={Wiley-Blackwell},
 type={Text},
 keywords={Serum iron, Soay sheep},
}