Metal contamination, water quality and environmental policy : a case study of the Portovelo-Zaruma goldmining area of southern Ecuador

Bibliographic Details
Main Author: Tarras-Wahlberg, Nils Håkan
Published: University of Cambridge 2001
Subjects:
550
Online Access:http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.621249

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