Rubio, B, MA Nombela, and F Villas. “A Critical Evaluation of the Use of Cluster Analysis to Identify Contaminated Sediments in the ría De Vigo (nw Spain)”. Ciencias Marinas 27, no. 2 (March 6, 2001): 175–208. Accessed April 29, 2026. https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/467.