J. Segovia-Zavala, F. Delgadillo-Hinojosa, R. Vidal-Talamantes, A. Muñoz-Barbosa, and E. Gutiérrez-Galindo, “Mytilus californianus transplanted as upwelling bioindicators to two areas off Baja California, Mexico”, Cienc. Mar., vol. 29, no. 4B, pp. 665–675, Mar. 2003.