@inproceedings{karttunen-1969-discourse, title = "Discourse Referents", author = "Karttunen, Lauri", booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 69: Collection of Abstracts of Papers", month = sep, year = "1969", address = {S{\r{a}}nga S{\"a}by, Sweden}, url = "https://preview.aclanthology.org/fix-sig-urls/C69-6902/" }