@book { DasBundesnaturschutzgesetzvom20Dezember1976,
    title = "Das Bundesnaturschutzgesetz vom 20. Dezember 1976",
    author = "Jan Christian {Lorenzen}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03025-9",
    url = "https://www.peterlang.com/document/1046626"
}