1. Goodfellow, I. , Bengio, Y. and Courville, A. (2016). MIT Press.
2. Building a large annotated corpus of English: The Penn Treebank;Marcus;Computational Linguistics,1993
3. Kernighan, B.W. and Pike, R. (1999). Addison-Wesley, USA.
4. Bronstein, M.M. , Bruna, J. , Cohen, T. and Veličković, P. (2021). Geometric Deep Learning: Grids, Groups, Graphs, Geodesics, and Gauges, 2104.13478, arXiv.