@article{Silva_2012, title={Major Roads Have a Negative Impact on the Tawny Owl<i>Strix aluco</i>and the Little Owl<i>Athene noctua</i>Populations}, volume={47}, ISSN={0001-6454}, url={http://dx.doi.org/10.3161/000164512X653917}, DOI={10.3161/000164512x653917}, number={1}, journal={Acta Ornithologica}, publisher={Museum and Institute of Zoology at the Polish Academy of Sciences}, author={Silva, Clara C. and Lourenço, Rui and Godinho, Sérgio and Gomes, Edgar and Sabino-Marques, Helena and Medinas, Denis and Neves, Vânia and Silva, Carmo and Rabaça, João E. and Mira, António}, year={2012}, month=June, pages={47–54} }