@misc{Boyd_J._M._Seasonal_1962,
 author={Boyd, J. M.},
 volume={138},
 number={3},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 journal={Proceedings of the Zoological Society of London},
 howpublished={online},
 year={1962},
 publisher={Wiley-Blackwell},
 language={eng},
 title={Seasonal occurrence and movements of seals in north-west Britain},
 type={Text},
 keywords={Halichoerus grypus, Seals, Seasonal occurrence},
}