(1) D. J. Amit, Modeling Brain Function, Combridge Univ. Press, New York, 1989, 504p., 23.5×15.5 cm, (2) D. E. Rumelhart, J. L. McClleland and PDP Research Group, Parallel Distributed Processing, Vols. 1 and 2, MIT Press, Massachusetts, 1986, 2冊 (547p, 611p), 23.5×15.5 cm [甘利俊一監訳; PDP モデル (産業図書, 東京, 1989, 4,600円)], (3) T. Kohonen, Self-Organization and Associative Memory, 3rd ed., Springer-Verlag, Berlin and Heidelberg, 1989, xvi+312p., 23.5×15.5 cm, 7,480円 (Springer Series in Information Sciences, Vol. 8) [専門書, 大学院向教科書]