R. Márquez, G. Corredor, C. Galvis, D. Góez, and A. Amézquita, “Range extension of the critically endambersngered true poison-dart frog, <em>Phyllobates terribilis</em> (Anura: Dendrobatidae), in western Colombia”, Acta Herpetol., vol. 7, no. 2, pp. 341–345, Dec. 2012.