Occurrence and behavior of butyltins in intertidal and shallow subtidal surface sediments of an estuarine beach under different sampling conditions - Santos, Dayana Moscardi dos; Sant'Anna, Bruno Sampaio; Sandron, Daniela Corsino; Souza, Sara Cardoso; Cristale, Joyce; Marchi, Mary; Turra, Alexander (Estuarine, coastal and shelf science, 2010)