@inproceedings{momouchi-1980-control,
    title = "Control Structures for Actions in Procedural Texts and {PT}-Chart",
    author = "Momouchi, Yoshio",
    booktitle = "{COLING} 1980 Volume 1: The 8th International Conference on Computational Linguistics",
    year = "1980",
    url = "https://preview.aclanthology.org/fix-sig-urls/C80-1016/"
}