@misc{Renouf_D._Play_1993,
 author={Renouf, D.},
 volume={231},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 journal={Journal of Zoology, Lond.},
 howpublished={online},
 year={1993},
 publisher={Wiley-Blackwell},
 language={eng},
 title={Play in a captive breeding colony of harbour seals ( Phoca vitulina ): constrained by time or by energy?},
 type={Text},
 keywords={Breeding, Breeding colony, Colonies, Colony, Energy, Harbour seal, Phoca vitulina, Play, Seal, Seals, Time},
}