@misc{Coulson_J._C._A_1981,
 author={Coulson, J. C.},
 volume={194},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 journal={Journal of Zoology, Lond.},
 howpublished={online},
 year={1981},
 publisher={Wiley-Blackwell},
 language={eng},
 title={A study of the factors influencing the timing of breeding in the grey seal Halichoerus grypus},
 type={Text},
 keywords={Baltic Sea, Breeding, Distribution, Halichoerus grypus, North Atlantic, Seal, Timing},
}