@book { Schwesternfrimmer,
    title = "Schwestern für immer",
    author = "Brenda {Clarke} and Marina {van der Wal-Schrödter}",
    year = "2022",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1059886"
}