Referencias

http://news.yahoo.com/s/ap/20110220/ap_on_sc/us_sci_oil_spill_lingers

http://news.yahoo.com/s/afp/20110223/ts_alt_afp/ecuadorcourtcompanyenvironmentchevronusnative

http://ingenierosdeminasdelevante.org/documentos/fundamentos_%20biorremediacion.pdf