@misc{Speakman_J._R._Minimum_1991,
 author={Speakman, J. R. and Racey, P. A. and Catto, C. M. C. and Webb, P. I. and Swift, S. M. and Burnett, A. M.},
 volume={225},
 copyright={Rights Reserved - Restricted Access},
 journal={Journal of Zoology, Lond.},
 address={London},
 howpublished={online},
 year={1991},
 publisher={Wiley-Blackwell},
 language={eng},
 type={Text},
 title={Minimum summer populations and densities of bats in N. E. Scotland, near the northern borders of their distributions},
 keywords={Bats, Densities, Distributions, Scotland, Summer populations},
}