@proceedings{coling-1969-international-linguistics-coling-1969-preprint,
    title = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 5",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/fix-old-resolve/C69-0500/"
}
@inproceedings{durham-rogers-1969-application,
    title = "An Application of Computer Programming to the Reconstruction of a Proto-Language",
    author = "Durham, Stanton P.  and
      Rogers, David Ellis",
    booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 5",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/fix-old-resolve/C69-0501/"
}