@book { NaturschutzundDemokratie,
    title = "Naturschutz und Demokratie!?",
    author = "Joachim {Wolschke-Bulmahn} and Gert {Gröning}",
    year = "2021",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1102221"
}