Congruence in the performance of model nitrifying activated sludge plants located in Germany, Scotland and Spain

1. Christofi, N.
2. Aspichueta, E.
3. Dalzell, D.
4. De la Sota, A.
5. Etxebarria, J.
6. Fernandes, T.
7. Gutierrez, M.
8. Morton, J.
9. Obst, U.
10. Schmellenkamp, P.