@proceedings{coling-1969-international-linguistics-coling-1969-preprint-33,
    title = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 33",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/fix-old-resolve/C69-3300/"
}
@inproceedings{iivonen-1969-automatic,
    title = "Automatic Recognition of Speech Sounds by a Digital Computer",
    author = "Iivonen, A.",
    booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 33",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/fix-old-resolve/C69-3301/"
}