De Lorenz-Santos, Fernando Jesús, Felipe Vázquez, Georgina Fernández-Villagómez, y Javiera Cervini-Silva. 2015. «Cluster and Principal Components Analyses on the Contents of (Total and Sorbed) Trace Metals in Fresh Marine Sediments from the Southwest of the Gulf of Mexico». Ingeniería Investigación Y Tecnología 14 (4). https://revistas.unam.mx/index.php/ingenieria/article/view/42008.