@inproceedings{tillmann-2003-projection,
    title = "A Projection Extension Algorithm for Statistical Machine Translation",
    author = "Tillmann, Christoph",
    booktitle = "Proceedings of the 2003 Conference on Empirical Methods in Natural Language Processing",
    year = "2003",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W03-1001/",
    pages = "1--8"
}