@book { ErwerberschutzinEuropaNeuePerspektiven,
    title = "Erwerberschutz in Europa – Neue Perspektiven",
    author = "Nicole {Lang}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097754"
}