Safi, Kamran Abteilung Wikelski, Radolfzell, Max Planck Institut für Ornithologie, Max Planck Society;
Safi, K., Armour-Marshall, K., Baillie, J. E. M., & Isaac, N. J. B. (2013). Global patterns of evolutionary distinct and globally endangered amphibians and mammals. PLoS One, 8(5): e63582. doi:10.1371/journal.pone.0063582.