@book { BankgeschftevonEhegatten,
    title = "Bankgeschäfte von Ehegatten",
    subtitle = "Vertragsstatut und internationales Familienrecht",
    author = "Stephan {Schmitt}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106735"
}