Some Issues in Parsing and Natural Language Understanding Robert J Bobrow author Bonnie L Webber author 1981-06 text 19th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Stanford, California, USA conference publication bobrow-webber-1981-issues 10.3115/981923.981949 https://aclanthology.org/P81-1021/ 1981-06 97 99