@book { InnenentwicklungFachundRechtsfragen,
    title = "Innenentwicklung – Fach- und Rechtsfragen",
    author = "Stephan {Mitschang}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105172"
}