@article{Grilo_2008, title={Response of carnivores to existing highway culverts and underpasses: implications for road planning and mitigation}, volume={17}, ISSN={1572-9710}, url={http://dx.doi.org/10.1007/s10531-008-9374-8}, DOI={10.1007/s10531-008-9374-8}, number={7}, journal={Biodiversity and Conservation}, publisher={Springer Science and Business Media LLC}, author={Grilo, Clara and Bissonette, John A. and Santos-Reis, Margarida}, year={2008}, month=Mar, pages={1685–1699} }