@book { LamasGeburtstagABCGeschichtenzurBuchstabeneinfhrung,
    title = "Lamas Geburtstag - ABC-Geschichten zur Buchstabeneinführung",
    author = "Jessica {Morgan}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1225254"
}