@book { WirkungsorientiertesControllingstaatlichenHandelns,
    title = "Wirkungsorientiertes Controlling staatlichen Handelns",
    author = "Thorsten {Pieper}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13865",
    url = "https://www.peterlang.com/document/1068423"
}