Peña Contreras, Z., R.V. Mendoza Briceño, L. Miranda Contreras, and E.L Palacios Prü. “Synaptic Dimorphism in Onychophoran Cephalic Ganglia”. Revista de Biología Tropical 55, no. 1 (March 1, 2007): 261–267. Accessed May 10, 2024. https://www.revistas.ucr.ac.cr/index.php/rbt/article/view/6078.