@proceedings{coling-1969-international-linguistics-coling-1969-preprint-30,
    title = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 30",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/volume-fixes/C69-3000/"
}
@inproceedings{bunting-1969-empirical,
    title = "Empirical Investigation of {G}erman Word Derivation with the Aid of a Computer",
    author = "Bunting, Karl Dieter",
    booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 30",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/volume-fixes/C69-3001/"
}