1. Six papers in the Special Session, Complex-valued neural networks and their applications. In (editors). Knowledge-based intelligent information engineering systems and allied technologies, Part I. IOS Press; 2001. p 550-580.
2. Lecture Notes;Arena,1998
3. On the complex backpropagation algorithm
4. Local minima and plateaus in hierarchical structures of multilayer perceptrons
5. Likelihood ratio of unidentifiable models and multilayer neural networks. Res Memo No. 780, The Institute of Statistical Mathematics, 2001.