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2. Heavy metal contamination in sediments from the Belgium Coast and Scheldt estuary;Araujo;Mar. Pollut. Bull.,1988
3. The river Scheldt as a transport route for heavy metals in the sea;Baeyens,1982
4. Study of the degree of contamination of dredged sludge in the Scheldt estuary;Baeyens,1988
5. Trace Metals (Fe, Cu, Zn, Cd) in Anoxic Environment. Trace Metals in Sea Water;Boulegue,1983