Diatoms of the odiel river basin: Distribution according to the degree of pollution by acid mine drainage

1. Leiva, M.
2. Bryka, K.
3. Romero, S.
4. Santisteban, M.
5. Dávila, J.M.
6. Sarmiento, A.M.
7. Fortes, J.C.
8. Luis, A.T.
9. Grande, J.A.
10. Córdoba, F.