Palacios-Fest, Manuel R., et al. “Chemistry of Ostracode Valves: An Alternative to Evaluate Metal Contamination in Aquatic Systems”. Revista Mexicana De Ciencias Geológicas, vol. 20, no. 2, June 2018, pp. 139-53, https://rmcg.unam.mx/index.php/rmcg/article/view/939.