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2. G.S. Sebestyen: Decision Process in Pattern Recognition (Macmillan, New York 1962)
3. N.J. Nilsson: Learning Machines-Foundations of Trainable Pattern-Classifying System (McGraw-Hill, 1965)
4. J.M. Mendel, K.S. Fu: Adaptive, Learning and Pattern Recognition Systems: Theory and Applications (Academic Press, 1970)
5. W. Meisel: Computer-Oriented Approaches to Pattern Recognition (Academic Press, 1972)