Hu, Yaowei, Yongkai Wu, Lu Zhang, and Xintao Wu. 2021. “A Generative Adversarial Framework for Bounding Confounded Causal Effects”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (13):12104-12. https://ojs.aaai.org/index.php/AAAI/article/view/17437.