PATTERNS OF DIOXINS AND FURANS IN URBAN, NON URBAN AND MARINE SEDIMENTS IN SOME ENVIRONMENTAL SYSTEMS OF CONCEPCION CITY, REGION DEL BIO BIO, CHILE Publication Attachment: 15-85.pdf Authors: Loyola-Sepulveda, R, Salamanca Orrego, M, Gutierrez-Baeza, F, Chandia Vallejos, C, Figueroa Sn Martin, C Year: 2015