@InProceedings{kwasny-sondheimer:1979:ACL, author = {Stan C. Kwasny and Norman K. Sondheimer}, title = {UNGRAMMATICALITY AND EXTRA-GRAMMATICALITY IN NATURAL LANGUAGE UNDERSTANDING SYSTEMS}, booktitle = {Proceedings of the 17th Annual Meeting of the Association for Computational Linguistics}, month = {June}, year = {1979}, address = {La Jolla, California, USA}, publisher = {Association for Computational Linguistics}, pages = {19--23}, url = {http://www.aclweb.org/anthology/P79-1006}, doi = {10.3115/982163.982170} }