1. The “rubber mask” technique I: Pattern measurement and analysis;Widrow;Pattern Recognition,1973
2. Pattern Recognition Bibliography;Mason,1970
3. Eye and Brain: The Psychology of Seeing;Gregory,1966
4. Foundations of Cyclopean Perception;Julesz,1971
5. Plato's Republic, Book VI, Jowett Translation, Random House, Vintage Paperbacks.