@inproceedings{shieber-schabes-1990-synchronous,
    title = "Synchronous {T}ree-{A}djoining {G}rammars",
    author = "Shieber, Stuart M.  and
      Schabes, Yves",
    booktitle = "{COLING} 1990 Volume 3: Papers presented to the 13th International Conference on Computational Linguistics",
    year = "1990",
    url = "https://aclanthology.org/C90-3045/"
}