@article{
    prz:kup:06,
    author = "Przepiórkowski, Adam and Kupść, Anna",
    title = "{HPSG} for {S}lavicists",
    url = "https://slaviccenters.duke.edu/sites/slaviccenters.duke.edu/files/site-images/8kupsc%20x.pdf",
    journal = "Glossos",
    volume = "8",
    year = "2006",
    pdf = "http://nlp.ipipan.waw.pl/~adamp/Papers/2000-sling2k/sling2007-hpsg.pdf"
}