@inproceedings{nishida-doshita-1980-hierarchical,
    title = "Hierarchical Meaning Representation and Analysis of Natural Language Documents",
    author = "Nishida, Toyo-aki  and
      Doshita, Shuji",
    booktitle = "{COLING} 1980 Volume 1: The 8th International Conference on Computational Linguistics",
    year = "1980",
    url = "https://preview.aclanthology.org/fix-sig-urls/C80-1013/"
}