author = { Bowell, Jeremy },

title = { Geoffrey goes missing },

publisher = {Klett},

keywords = { Hörbuch , Schulbuch , CD },

year = {[2017]},

booktitle = {Blue line - Red line - Orange line},

booktitle = {Shorts},

address = { Stuttgart },

url = { http://slubdd.de/katalog?TN_libero_mab2 }