@inproceedings{kato-etal-2004-subclasses,
    title = "Subclasses of {T}ree {A}djoining {G}rammar for {RNA} Secondary Structure",
    author = "Kato, Yuki  and
      Seki, Hiroyuki  and
      Kasami, Tadao",
    editor = "Rambow, Owen  and
      Stone, Matthew",
    booktitle = "Proceedings of the 7th International Workshop on Tree Adjoining Grammar and Related Formalisms",
    month = may,
    year = "2004",
    address = "Vancouver, Canada",
    publisher = "Simon Fraser University",
    url = "https://preview.aclanthology.org/ingest-emnlp/W04-3307/",
    pages = "48--55"
}