@book { Menschbleiben, title = "Mensch bleiben", subtitle = "Wahre Geschichten aus der Altenhilfe", author = "Barbara {Messer}", year = "2014", publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG", address = ", Deutschland", url = "https://schluetersche.openpublishing.com/document/403852" }