@article{journal,
author = {Margalida, A. and Garc{\'i}a, D. and Cort{\'e}s-Avizanda, A.},
title = {Factors influencing the breeding density of Bearded Vultures, Egyptian Vultures and Eurasian Griffon Vultures in Catalonia (NE Spain): management implications},
year = {2007},
volume = {30.2},
pages = {189--200},
journal = {Animal Biodiversity and Conservation},
keywords = {Densidad reproductora, Requerimientos de h{\'a}bitat, Gypaetus barbatus, Gyps fulvus, Neophron percnopterus, Catalu{\~n}a}
}