@book { SommerimHotelanderAlsterDreiRomaneineinemBand, title = "Sommer im Hotel an der Alster: Drei Romane in einem Band", author = "Christian {Pfannenschmidt}", year = "2020", publisher = "dotbooks Verlag", address = "München, Deutschland", url = "https://m.dotbooks.de/document/515298" }