@book { FreundinnenfrsLebenRoman4DemnchstaufWolkesieben, title = "Freundinnen für's Leben - Roman 4: Demnächst auf Wolke sieben", author = "Christian {Pfannenschmidt}", year = "2015", publisher = "dotbooks Verlag", address = "München, Deutschland", url = "https://m.dotbooks.de/document/287814" }