Castro-Franco, R.; Bustos-Zagal, M. G.; Méndez-De la Cruz, F. R. Variation in Parental Investment and Relative Clutch Mass of the Spiny-Tail Iguana, Ctenosaura Pectinata (Squamata: Iguanidae) in Central México. Rev.Mex.Biodiv. 2011, 82.