@book { berhangmandatundGleichheitderWahl,
    title = "Überhangmandat und Gleichheit der Wahl",
    author = "Holger {Jakob}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086171"
}