@inproceedings{henrichsen-2002-grasp,
    title = "{G}ra{S}p: Grammar Learning from Unlabelled Speech Corpora",
    author = "Henrichsen, Peter Juel",
    booktitle = "{COLING}-02: The 6th Conference on Natural Language Learning 2002 ({C}o{NLL}-2002)",
    year = "2002",
    url = "https://aclanthology.org/W02-2012/"
}