@book { ImMaschinenraumderWirtschaftsprognostik,
    title = "Im Maschinenraum der Wirtschaftsprognostik",
    author = "Jörg {Döpke} and Ulrich {Fritsche} and Werner {Reichmann}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19012",
    url = "https://www.peterlang.com/document/1246363"
}