5Z. R. Yang, Marjorie B Platt, Hadan D. Platt, Probabilistic Neural Networks in Bankruptcu Prediction,Journal of Business Research 44(1999) 67 - 74.
6Guoqiang Zhang, Michael Y. Hu, B. Eddy Patuwo,Danid C. Indro, Artificial neural networks in bankruptcy predicion: General framework and cross- vaildarion analusis, European Journal of Operational Research 116(1999) 16-32.