@article{strzalkowski-cercone-1989-non, title = "Non-singular Concepts in Natural Language Discourse", author = "Strzalkowski, Tomek and Cercone, Nick", journal = "Computational Linguistics", volume = "15", number = "3", year = "1989", url = "https://aclanthology.org/J89-3003/", pages = "171--186" }