@techreport{
    prz:kup:97a,
    author = "Przepiórkowski, Adam and Kupść, Anna",
    title = "Negative Concord in {P}olish",
    url = "http://nlp.ipipan.waw.pl/~adamp/Papers/1997-828/",
    year = "1997",
    number = "828",
    address = "Warsaw",
    type = "{IPI PAN} Research Report",
    institution = "Institute of Computer Science, Polish Academy of Sciences"
}