9Yen K K. System Indentification-Tutorial. In: Attoh - Okine (Edt). Proc. of the Int. Workshop on Artificial Intelligence and Mathematical Methods in Pavement and Geomechanical Systems [J]. Rotterdam: Balkema, 1998:179～193.
10Angeline P J, Saunders G M, Pollack J B. An Evolutionary Algorithm that Constructs Recurrent Neural Networks [ J ]. IEEE Trans. on NN, 1994, 5(1): 54～65.
