@proceedings{coling-1969-international-linguistics-coling-1969-preprint-21,
    title = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 21",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/ingest-ccl/C69-2100/"
}
@inproceedings{klein-etal-1969-monte,
    title = "{M}onte {C}arlo Simulation of Language Change in {T}ikopia {\&} {M}aori",
    author = "Klein, Sheldon  and
      Kuppin, Michael A.  and
      Meives, Kirby A.",
    booktitle = "{I}nternational {C}onference on {C}omputational {L}inguistics {COLING} 1969: Preprint No. 21",
    month = sep,
    year = "1969",
    address = {S{\r{a}}nga S{\"a}by, Sweden},
    url = "https://preview.aclanthology.org/ingest-ccl/C69-2101/"
}