@book { DeterminantenderEffektivittderUmweltpolitik,
    title = "Determinanten der Effektivität der Umweltpolitik",
    author = "Christian {Ricken}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13671",
    url = "https://www.peterlang.com/document/1068261"
}