@proceedings{coling-1969-international-linguistics-coling-1969-preprint-9,
    title = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 9",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/volume-fixes/C69-0900/"
}
@inproceedings{smith-1969-automatic,
    title = "Automatic Simulation of Historical Change",
    author = "Smith, Raoul N.",
    booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 9",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/volume-fixes/C69-0901/"
}