@article{Teller_a_2003, title={Effects of forest fragmentation on European birds: implications of regional differences in species richness}, volume={30}, ISSN={1365-2699}, url={http://dx.doi.org/10.1046/j.1365-2699.2003.00869.x}, DOI={10.1046/j.1365-2699.2003.00869.x}, number={4}, journal={Journal of Biogeography}, publisher={Wiley}, author={Tellería, José Luis and Baquero, Rocío and Santos, Tomás}, year={2003}, month=Apr, pages={621–628} }