@misc{Birkhead_T._R._The_1989,
 author={Birkhead, T. R.},
 volume={218},
 copyright={Rights Reserved - Restricted Access},
 journal={Journal of Zoology, Lond.},
 address={London},
 howpublished={online},
 year={1989},
 publisher={Wiley-Blackwell},
 language={eng},
 type={Text},
 title={The intelligent sperm? A concise review of sperm competition},
 keywords={Competition, Review, Sperm, Sperm competition},
}