@inproceedings{abracos-lopes-1994-extending, title = "Extending {DRT} With a Focusing Mechanism for Pronominal Anaphora and Ellipsis Resolution", author = "Abracos, Jose and Lopes, Jose Gabriel", booktitle = "{COLING} 1994 Volume 2: The 15th {I}nternational {C}onference on {C}omputational {L}inguistics", year = "1994", url = "https://preview.aclanthology.org/fix-sig-urls/C94-2184/" }