@inproceedings{bel-etal-2004-cost,
    title = "Cost-effective Cross-lingual Document Classification",
    author = "Bel, N{\'u}ria  and
      Koster, Cornelis H.A.  and
      Villegas, Marta",
    editor = "Lino, Maria Teresa  and
      Xavier, Maria Francisca  and
      Ferreira, F{\'a}tima  and
      Costa, Rute  and
      Silva, Raquel",
    booktitle = "Proceedings of the Fourth International Conference on Language Resources and Evaluation ({LREC}{'}04)",
    month = may,
    year = "2004",
    address = "Lisbon, Portugal",
    publisher = "European Language Resources Association (ELRA)",
    url = "https://preview.aclanthology.org/fix-sig-urls/L04-1100/"
}