@book { RechnungshfeinIndustrieundEntwicklungslndern,
    title = "Rechnungshöfe in Industrie- und Entwicklungsländern",
    author = "Peter {Haller}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089783"
}