@article{jardine-heinz-2016-learning, title = "Learning Tier-based Strictly 2-Local Languages", author = "Jardine, Adam and Heinz, Jeffrey", editor = "Lee, Lillian and Johnson, Mark and Toutanova, Kristina", journal = "Transactions of the Association for Computational Linguistics", volume = "4", year = "2016", address = "Cambridge, MA", publisher = "MIT Press", url = "https://aclanthology.org/Q16-1007/", doi = "10.1162/tacl_a_00085", pages = "87--98" }