@misc{Pucek_Zdzisław_Clethrionomys_b.d.,
 author={Pucek, Zdzisław},
 copyright={Rights Reserved - Free Access},
 howpublished={online},
 year={b.d.},
 title={Clethrionomys glareolus},
 keywords={Clethrionomys glareolus;},
}