@inproceedings{salkoff-sager-1967-elimination,
    title = "The Elimination of Grammatical Restrictions in a String Grammar of {E}nglish",
    author = "Salkoff, M.  and
      Sager, N.",
    booktitle = "{COLING} 1967 Volume 1: Conference Internationale Sur Le Traitement Automatique Des Langues",
    year = "1967",
    url = "https://preview.aclanthology.org/landing_page/C67-1016/"
}