@inproceedings{karlgren-1967-slant,
    title = "Slant Grammar Calculus",
    author = "Karlgren, Hans",
    booktitle = "{COLING} 1967 Volume 1: Conference Internationale Sur Le Traitement Automatique Des Langues",
    year = "1967",
    url = "https://preview.aclanthology.org/landing_page/C67-1008/"
}