@book { InvestigationsintoFormalSlavicLinguistics,
    title = "Investigations into Formal Slavic Linguistics",
    subtitle = "Contributions of the Fourth European Conference on Formal Description of Slavic Languages – FDSL IV. Held at Potsdam University, November 28-30, 2001. Part 1 and 2",
    author = "Peter {Kosta} and Joanna {Blaszczak} and Jens {Frasek} and Ljudmila {Geist}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1503478"
}