@book { DieImplementationsproblematikstaatlicherUmweltpolitik,
    title = "Die Implementationsproblematik staatlicher Umweltpolitik",
    author = "Svenja {Piotrowski}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088846"
}