@book { Morgensbinichimmermde,
    title = "Morgens bin ich immer müde",
    author = "Trude {Herr} and Werner {Scharfenberger}",
    year = "2024",
    publisher = "Musik-Edition Europaton / Peter Schaeffers",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1472066"
}