Spatial distribution of chemical elements in the surface sediments of a tropical estuary in north-eastern Brazil

1. da Silva Pereira, M.
2. de Santana, C.O.
3. González-Pacheco, M.
4. de Jesus, T.B.
5. Francos, M.
6. de Tarso Amorim de Castro, P.
7. Nolasco, M.C.
8. Corvacho-Ganahin, O.
9. Carneiro, L.M.
10. Dourado, G.B.
11. Hadlich, G.M.
12. Bogunovic, I.