@inproceedings{bull-1952-problems,
    title = "Problems of vocabulary frequency and distribution",
    author = "Bull, William E.",
    booktitle = "Proceedings of the Conference on Mechanical Translation",
    month = "17-20 " # jun,
    year = "1952",
    address = "Massachusetts Institute of Technology",
    url = "https://preview.aclanthology.org/fix-sig-urls/1952.earlymt-1.17/"
}