@book { DieVertragsstrafeimIndustrieanlagenvertrag,
    title = "Die Vertragsstrafe im Industrieanlagenvertrag",
    author = "Katja {Aedtner}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107589"
}