The European reference condition concept: A scientific and technical approach to identify minimally-impacted river ecosystems

1. Pardo, I.
2. Gómez-Rodríguez, C.
3. Wasson, J.-G.
4. Owen, R.
5. van de Bund, W.
6. Kelly, M.
7. Bennett, C.
8. Birk, S.
9. Buffagni, A.
10. Erba, S.
11. Mengin, N.
12. Murray-Bligh, J.
13. Ofenböeck, G.