@book { Iusestarsbonietaequi,
    title = "«Ius est ars boni et aequi»",
    subtitle = "Festschrift für Stanisława Kalus",
    author = "Magdalena {Habdas} and Arkadiusz {Wudarski}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1136091"
}