Claves ilustradas para las familias y los géneros de Terebrantia (Insecta: Thysanoptera) de Costa Rica y Panamá

by Mound, Laurence, Retana, Axel P, du Heaume, Grahan
Published 1993

A phylogeny of howler monkeys (Cebidae: Alouatta) based on mitochondrial, chromosomal and morphological data

by Villalobos, Federico, Valerio, Alejandro A., Retana, Axel P.
Published 2004