@inproceedings{schubert-hwang-1990-picking,
    title = "Picking Reference Events from Tense A Formal, Implement able Theory of {E}nglish Tense-Aspect Semantics Trees:",
    author = "Schubert, Lenhart K.  and
      Hwang, Chung Hee",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Hidden Valley, {P}ennsylvania, June 24-27,1990",
    year = "1990",
    url = "https://aclanthology.org/H90-1008/"
}