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![](./images/clear.gif) 1.- Geochemical distribution of selected heavy metals in stream sediments affected by tannery activities
Springer; Dordrecht; NLD; Netherlands, 2006
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![](./images/clear.gif) 2.- Heavy metals in recent sediments and bottom-fish under the influence of tanneries in south Brazil
Springer; Dordrecht; NLD; Netherlands, 2006
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![](./images/clear.gif) 3.- U/Pb dating of tonstein layers from a coal succession of the southern Parana Basin (Brazil); a new geochronological approach
Elsevier on behalf of International Association for Gondwana Research; Amsterdam and Kochi; III; Int, 2008
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