@proceedings{coling-1969-international-linguistics-coling-1969-preprint-13,
    title = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 13",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/fix-old-resolve/C69-1300/"
}
@inproceedings{su-harper-1969-directed,
    title = "A Directed Random Paragraph Generator",
    author = "Su, Stanley Y.W.  and
      Harper, Kenneth E.",
    booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 13",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/fix-old-resolve/C69-1301/"
}