@inproceedings{klein-manning-2001-parsing-treebank, title = "Parsing with Treebank Grammars: Empirical Bounds, Theoretical Models, and the Structure of the {P}enn {T}reebank", author = "Klein, Dan and Manning, Christopher D.", booktitle = "Proceedings of the 39th Annual Meeting of the Association for Computational Linguistics", month = jul, year = "2001", address = "Toulouse, France", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/P01-1044/", doi = "10.3115/1073012.1073056", pages = "338--345" }