@inproceedings{muller-strube-2003-multi,
    title = "Multi-Level Annotation in {MMAX}",
    author = {M{\"u}ller, Christoph  and
      Strube, Michael},
    booktitle = "Proceedings of the Fourth {SIG}dial Workshop of Discourse and Dialogue",
    year = "2003",
    url = "https://preview.aclanthology.org/fix-sig-urls/W03-2117/",
    pages = "198--207"
}