@inproceedings{bryant-etal-1986-formal, title = "Formal Specification of Natural Language Syntax Using Two-Level Grammar", author = "Bryant, Barrett R. and Johnson, Dale and Edupuganty, Balanjaninath", booktitle = "Coling 1986 Volume 1: The 11th International Conference on Computational Linguistics", year = "1986", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/C86-1124/" }