@inproceedings{
    pez:ogr:prz:11,
    author = "Pęzik, Piotr and Ogrodniczuk, Maciej and Przepiórkowski, Adam",
    pdf = "http://nlp.ipipan.waw.pl/Bib/pez:ogr:prz:11.pdf",
    title = "Parallel and Spoken Corpora in an Open Repository of {P}olish Language Resources",
    pages = "511--515",
    crossref = "vetu:11:ed"
}
@proceedings{
    vetu:11:ed,
    editor = "Vetulani, Zygmunt",
    title = "Proceedings of the 5th Language \& Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics",
    booktitle = "Proceedings of the 5th Language \& Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics",
    address = "Poznań, Poland",
    key = "LTC11",
    year = "2011"
}