Moreno-Fonseca, C. J., and G. D. Amat-García. “Morphoecology Guild in Beetles (Coleoptera: Passalidae) Along an Altitudinal Gradient in Oak Forests of the Eastern Cordillera, Colombia”. Revista De Biología Tropical, vol. 64, no. 1, Mar. 2016, pp. 289–303, doi:10.15517/rbt.v64i1.18561.