@article{Savinetsky_2011,
title={On the history of the spread of the black rat (Rattus rattus L.,
1758) in northwestern Russia},
volume={38},
ISSN={1608-3059},
url={http://dx.doi.org/10.1134/s1062359011020130},
DOI={10.1134/s1062359011020130},
number={2},
journal={Biology Bulletin},
publisher={Pleiades Publishing Ltd},
author={Savinetsky,
A. B. and Krylovich,
O. A.},
year={2011},
month=mar,
pages={203–207} }