How plants of the Amazonian floodplain (Brazil) can affect the geochemical status of trace elements in the Amazon River mainstream? G. Barroux, J. Viers, P. Seyler, P. Oliva, B. Dupré, J.-L. Guyot et M. Pinelli J. Phys. IV France, 107 (2003) 119-126 DOI: 10.1051/jp4:20030258