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1.- A comparison of the trace elements content in coal, fly and bottom ashes from the Figueira Power Plant, Parana, Brazil and soils collected in the vicinity of the plant The=Society for Organic Petrology (TSOP); [location varies]; USA; United States, 2009 Advances in organic petrology and organic geochemistry; program and abstracts Ver registro
2.- IMPACTO DEL CAMBIO CLIMATICO EN LA BIODIVERSIDAD: EL CASO DE ECUADOR 2007 Ver registro
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