Vasant Honavar. Symbolic Artificial Intelligence and Numeric Artificial Neural Networks: Towards a Resolution of the Dichotomy. The Springer International Series In Engineering and Computer Science. Springer US. pp. 351–388. doi:10.1007/978-0-585-29599-2_11.
Xifan Yao and Jiajun Zhou and Jiangming Zhang and Claudio R. Boer (). From Intelligent Manufacturing to Smart Manufacturing for Industry 4.0 Driven by Next Generation Artificial Intelligence and Further On. 2017 5th International Conference on Enterprise Systems (ES). IEEE. doi:10.1109/es.2017.58.