Adam T. Ford, Jacob R. Goheen, Tobias O. Otieno, Laura Bidner, Lynne A. Isbell, Todd M. Palmer, David Ward, Rosie Woodroffe & Robert M. Pringle (2014) Large carnivores make savanna tree communities less thorny ; Science 17 10 2014: Vol. 346 no. 6207 pp. 346-349 DOI: 10.1126/science.1252753 (résumé)