@book { EntscheidungenamLebensende,
    title = "Entscheidungen am Lebensende",
    author = "Heike {Ambrosy} and Angela Paula {Löser}",
    year = "2010",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403652"
}