J. Hernández-Ayón, S. Galindo-Bect, V. Camacho-Ibar, Z. García-Esquivel, M. González-Gómez, and F. Ley-Lou, “Nutrient dynamics in the west arm of San Quintín Bay, Baja California, Mexico, during and after El Niño 1997/1998”, Cienc. Mar., vol. 30, no. 1A, pp. 119–132, Mar. 2004.