@book { TrumesanftmeinliebesKind,
    title = "Träume sanft, mein liebes Kind",
    author = "Martina {Meier}",
    year = "2023",
    publisher = "Papierfresserchens MTM-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1432925"
}