@inproceedings{oppacher-1982-pet, title = "{PET}: Processing {E}nglish Text", author = "Oppacher, F.", booktitle = "{C}oling 1982 Abstracts: Proceedings of the {N}inth {I}nternational {C}onference on {C}omputational {L}inguistics Abstracts", year = "1982", url = "https://preview.aclanthology.org/fix-sig-urls/C82-2052/" }