@book { StaatlicheLenkungdurchHandlungsformen,
    title = "Staatliche Lenkung durch Handlungsformen",
    author = "Katja {Lehr}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00287-4",
    url = "https://www.peterlang.com/document/1054350"
}