@book { DehlerMaierMende,
    title = "Dehler - Maier - Mende",
    subtitle = "Parteivorsitzende Der FDP: Polarisierer, Präsident, Generaldirektor",
    author = "Lutz {Nickel}",
    year = "2006",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1100495"
}