[1] Gallo-Reynoso J.P., M.O. Maravilla Chávez and A.L. Figueroa Carranza. 2004. La población del lobo fino de Guadalupe, Arctocephalus townsendi, en México. VII Congreso Nacional de Mastozoología, 8-12 de Noviembre de 2004. San Cristóbal de Las Casas, Chiapas. México.
[2] Gallo-Reynoso, J.P. 2005. Personal communication with Juan Pablo Gallo-Reynoso, Laboratorio de Ecofisiologí, CIAD, Unidad Guaymas.
[3] Gilbert, L.R. and R. Hilborn. 2001. Catastrophic events and recovery from low densities in populations of otarriids: implications for risk of extinction. Mammal Review 31(2):131-150.
[4] NOAA Fisheries. 2000. Stock Assessment Report: Guadalupe Fur Seal (Arctocephalus townsendi), revised December 15, 2000. National Oceanic and Atmospheric Administration, Washington, D.C.