@book { EinGrundrechtaufUmweltschutzinEuropa,
    title = "Ein Grundrecht auf Umweltschutz in Europa?",
    author = "Erika Elisabeth {Orth}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101825"
}