E. Gutiérrez-Galindo, G. Flores-Muñoz, M. Villa-Andrade, and J. Villaescusa-Celaya, “Organochlorine Insecticides In Fishes From The Mexicali Valley, Baja California, Mexico”, Cienc. Mar., vol. 14, no. 4, pp. 1–22, Mar. 1988.