@inproceedings{nederhof-etal-2003-partially,
    title = "Partially Ordered Multiset Context-free Grammars and Free-word-order Parsing",
    author = "Nederhof, Mark-Jan  and
      Satta, Giorgio  and
      Shieber, Stuart",
    booktitle = "Proceedings of the Eighth International Conference on Parsing Technologies",
    month = apr,
    year = "2003",
    address = "Nancy, France",
    url = "https://preview.aclanthology.org/fix-sig-urls/W03-3020/",
    pages = "171--182"
}