@inproceedings{johnson-kay-1990-semantic,
    title = "Semantic Abstraction and Anaphora",
    author = "Johnson, Mark  and
      Kay, Martin",
    booktitle = "{COLING} 1990 Volume 1: Papers presented to the 13th International Conference on Computational Linguistics",
    year = "1990",
    url = "https://preview.aclanthology.org/fix-sig-urls/C90-1003/"
}