@inproceedings{brady-estes-1963-concerning, title = "Concerning the role of sub-grammars in machine translation", author = "Brady, Joyce M. and Estes, William B.", booktitle = "Proceedings of the Annual meeting of the Association for Machine Translation and Computational Linguistics", month = "25-26 " # aug, year = "1963", address = "Denver, Colorado", url = "https://preview.aclanthology.org/fix-sig-urls/1963.earlymt-1.4/" }