Biological activity in metal-contaminated calcareous agricultural soils: The role of the organic matter composition and the particle size distribution

1. Martin Calvarro, L.
2. de Santiago-Martín, A.
3. Quirós Gómez, J.
4. González-Huecas, C.
5. Quintana, J.R.
6. Vázquez, A.
7. Lafuente, A.L.
8. Rodríguez Fernández, T.M.
9. Ramírez Vera, R.