@proceedings{coling-1969-international-linguistics-coling-1969-preprint-23,
    title = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 23",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/volume-fixes/C69-2300/"
}
@inproceedings{wunderlich-1969-uber,
    title = "Uber Zeitkeferenz Und Tempus",
    author = "Wunderlich, Dieter",
    booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 23",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/volume-fixes/C69-2301/",
    language = "deu"
}