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[1] Anderson, J.A., Learning Arithmetics with a Neural Network: Seven Times Seven Is About Fifty, In Methods, Models and Conceptual Issues, Chapter 7, MIT Press, 1998.
[2] Anderson, J.A, Teaching Arithmetic to a Neural Network, In Introduction to Neural Networks, MIT Press, 1995.
[3] Ashcraft, M.H., Cognitive arithmetic: A Review of Data and Theory, In Numerical Cognition, edited by Dehaene, S., Blackwell, 1992.
[4] Campbell, J.I.D. & Oliphant, M., Representation and Retrieval of Arithmetic Facts: A Network-Interference Model and Simulation, In The Nature and Origins of Mathematical Skills, North-Holland, 1992.
[5] Dallaway, R. The Dynamics of Arithmetic, Ph.D. Thesis, University of Sussex, 1994.
[6] Dehaene, S., Numerical Cognition, Blackwell, 1992.
[7] Dehaene, S. et al., Sources of Mathematical Thinking: Behavioral and Brain-Imaging Evidence. Science, Vol. 284, 970-974, 1999.
[8] Dehaene, S., Dehaene-Lambertz, G., & Cohen, L. Abstract Representations of Numbers in the Animal andHuman Brain, Trends in Neuroscience, 21, 355-361.1998.
[9] Dehaene, S. & Cohen, L., Cerebral Pathways for Calculation: Double Dissociation between Rote Verbal and Quantitative Knowledge of Arithmetic, Cortex, 33, 219-250, 1997.
[10] Dehaene-Lambertz, G., & Dehaene, S., In Defense of Learning by Selection: Neurobiological, and Developmental Evidence (Commentary on Quartz and Sejnowski), Brain and Behavioral Science, 20, 560-561, 1997.
[11] McCloskey, M. & Lindermann, A.M. MATHNET: Preliminary Results from a Distributed Model of Arithmetic Fact Retrieval, In Campbell, J.I.D., ed, The Nature and Origins of Mathematical Skills, Elsevier Science Publishers B.V., 1992.