@inproceedings{shieber-1990-formal,
    title = "Formal properties of Synchronous {T}ree-{A}djoining {G}rammars",
    author = "Shieber, Stuart",
    editor = "Harbusch, Karin  and
      Wahlster, Wolfgang",
    booktitle = "Proceedings of the First International Workshop on Tree Adjoining Grammar and Related Frameworks ({TAG}+1)",
    month = aug,
    year = "1990",
    address = "Schlo{\ss} Dagstuhl",
    publisher = {Internationales Begegnungs- und Forschungszentrum f{\"u}r Informatik (IBFI)},
    url = "https://aclanthology.org/W90-0201",
    pages = "6--7",
}