Ieroham S. Baruch Petia Georgieva Josefina Barrera-Cortés Sebastiao Feyo de Azevedo Adaptive recurrent neural network control of biological wastewater treatment. 173-193 2005 20 Int. J. Intell. Syst. 2 http://dx.doi.org/10.1002/int.20061 db/journals/ijis/ijis20.html#BaruchGBA05