@misc{Delany_M._J._Variation_1969,
 author={Delany, M. J. and Whittaker, H. M.},
 volume={157},
 copyright={Rights Reserved - Restricted Access},
 journal={Journal of Zoology, Lond.},
 address={London},
 howpublished={online},
 year={1969},
 publisher={Wiley-Blackwell},
 language={eng},
 type={Text},
 title={Variation in the skull of the Long-tailed field-mouse, Apodemus sylvaticus in mainland Britain},
 keywords={Apodemus sylvaticus, Britain, Variation},
}