@proceedings{
    lpiis:2013,
    editor = "Kłopotek, Mieczysław A. and Koronacki, Jacek and Marciniak, Małgorzata and Mykowiecka, Agnieszka and Wierzchoń, Sławomir T.",
    publisher = "Springer-Verlag",
    isbn = "978-3-642-38633-6",
    title = "Language Processing and Intelligent Information Systems – 20th International Conference, IIS 2013, Warsaw, Poland, June 17-18, 2013. Proceedings",
    url = "http://www.springer.com/computer/communication+networks/book/978-3-642-38633-6",
    series = "Lecture Notes in Computer Science",
    booktitle = "Language Processing and Intelligent Information Systems – 20th International Conference, IIS 2013, Warsaw, Poland, June 17-18, 2013. Proceedings",
    year = "2013",
    number = "7912",
    address = "Berlin, Heidelberg"
}