@misc{Berry_R._J._Competition_1969, author={Berry, R. J. and Tricker, B. J. K.}, volume={158}, copyright={Rights Reserved - Restricted Access}, address={London}, journal={Journal of Zoology, Lond.}, howpublished={online}, year={1969}, publisher={Wiley-Blackwell}, language={eng}, title={Competition and extinction: the mice of Foula, with notes on those of Fair Isle and St Kilda}, type={Text}, keywords={Apodemus sylvaticus, Competition, Mus musculus, Fair isle}, }