@inproceedings{ralph-1980-relative,
    title = "Relative Semantic Complexity in Lexical Units",
    author = "Ralph, Bo",
    booktitle = "{COLING} 1980 Volume 1: The 8th International Conference on Computational Linguistics",
    year = "1980",
    url = "https://preview.aclanthology.org/fix-sig-urls/C80-1017/"
}