Gutiérrez-Galindo, EA, and A Muñoz-Barbosa. 2003. “Geographic Variability of the Concentration of Hg, Co, Fe and Ni in Mussels Mytilus Californianus (Conrad, 1837) from the Coast of Baja California”. Ciencias Marinas 29 (1):21-34. https://doi.org/10.7773/cm.v29i1.136.