@inproceedings{johnston-1998-unification,
    title = "Unification-based Multimodal Parsing",
    author = "Johnston, Michael",
    booktitle = "{COLING} 1998 Volume 1: The 17th International Conference on Computational Linguistics",
    year = "1998",
    url = "https://preview.aclanthology.org/Author-Pages-WenzhengZhang-ZhengyanShi-ShuYang/C98-1099/"
}