@proceedings{ws-1989-international,
    title = "Proceedings of the First International Workshop on Parsing Technologies",
    editor = "Tomita, Masaru",
    month = aug,
    year = "1989",
    address = "Pittsburgh, Pennsylvania, USA",
    publisher = "Carnegy Mellon University",
    url = "https://aclanthology.org/W89-0200",
    pages = "i--vii",
}