@book { EuropasPharaonen,
    title = "Europas Pharaonen",
    author = "Dr. Alejandro {Lajtonyi-Gruber} and Irene {Lajtonyi}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1306287"
}