G. González-Sansón, B. Aguilar-Palomino, J. Arciniega-Flores, R. Garcia-de-Quevedo-Machaín, E. Michel-Morfín, and M. Saucedo-Lozano, “Spatial variation of the abundance of the soft-bottom fauna on the continental shelf off cjalisco and colima, mexico (spring 1995)”, Cienc. Mar., vol. 23, no. 1, pp. 93–110, Mar. 1997.