1. Alex, J., Béteau, J. F., Copp, J. B., Hellinga, C., Jeppsson, U., Marsili-Libelli, S., Pons, M. N., Spanjers, H., & Vanhooren, H. (1999). Benchmark for evaluating control strategies in wastewater treatment plants. European control conference (ECC’99), (BM10), Karlsruhe, Germany.
2. Alex, J., Tschepetzki, R., & Jumar, U. (2002). Predictive control of nitrogen removal in WWTP using parsimonious models. Proceedings of IFAC 2002, Barcelone, Spain.
3. Iterative design of a nitrate controller using an external carbon source in an activated sludge process;Barros;Water Science and Technology,1998
4. Bastin, G., & Dochain, D. (1988). Nonlinear adaptative control algorithms for fermentation processes. American control conference, Vol. 2, Atlanta, USA (pp. 1124–1128).
5. Béteau, J. F., Ferret, E., Lakrori, M., & Chéruy, A. (1991). Bioprocess control: An original approach taking into account some bioprocess constraints, American control conference, Vol. 2, Boston, USA (pp. 1335–1340).