Environmentally Benign Sequential Extraction of Heavy Metals from Marine Sediments M. S. Álvarez, E. Gutiérrez-Arnillas, A. Rodríguez, M. A. Sanromán, F. J. Deive (2014) Industrial and Engineering Chemistry Research, 53 (20): 8615-8620 DOI: 10.1021/ie500927q