1. H.M.A. Andree et al., ?A comparison study of binary feedforward neural networks and digital circuits,? Neural Networks, vol. 6, pp. 785?790, 1993.
2. J. Dayhoff, ?Neural network architectures: An introduction,? Van Nostrand Reinhold, New York, 1990.
3. J. Guo et al., ?Recognition of handwritten characters using pattern transformation method with cosine function,? Trans. of the IEICE, vol. J76-D-II, no. 4, pp. 835?842, 1993 (in Japanese).
4. D. Hammerstrom, ?Working with neural networks,? IEEE Spectrum, vol. 30, no. 7, pp. 46?53, 1993.
5. K. Imai, K. Gouhara, and Y. Uchikawa, ?Handwritten letter recognition for noisy images using the three-layered BP-models,? Trans. of the IEICE, vol. J75-D-II, no. 2, pp. 314?323, 1992 (in Japanese).