@inproceedings{satta-schuler-1998-restrictions,
    title = "Restrictions on Tree Adjoining Languages",
    author = "Satta, Giorgio  and
      Schuler, William",
    booktitle = "{COLING} 1998 Volume 2: The 17th International Conference on Computational Linguistics",
    year = "1998",
    url = "https://preview.aclanthology.org/fix-sig-urls/C98-2187/"
}