1. M. Henze. Jr., L. Grady, W. Gujer, G.R. Marais, T. Matsuo, Activated Sludge Model No1. Technical report, IAWPRC Science and Technology Reports No.1, IAWPRC, London, 1987.
2. G. Bastin, D. Dochain, On-line Estimation and Adaptive Control of Bioreactors. Elsevier, Amsterdam, 1990.
3. J. Jacob, H. Pingaud, J.M. Le Lann, S. Bourrel S., J.P. Babary, B. Capdeville, Dynamic simulation of biofilters, SIMULATION—Practice and Theory 4 (1996) 335–348.
4. N. Tali-Maamar, Modélisation, analyse et commande d'un procédé biotechnologique a gradient spatial de concentration, Doctoral dissertation, Université Paul Sabatier, Toulouse, France, 1994.
5. J.V. Villadsen, M.L. Michelsen, Solution of Differential Equation Models by Polynomial Approximation, Prentice Hall, Englewood Cliffs, NJ, 1978.