Trace metals in oysters, crassotrea sps., from UNESCO protected natural reserve of urdaibai: Space-time observations and source identification

1. Raposo, J.C.
2. Bartolomé, L.
3. Cortazar, E.
4. Arana, G.
5. Zabaljauregui, M.
6. De Diego, A.
7. Zuloaga, O.
8. Madariaga, J.M.
9. Etxebarria, N.