@book { MobileMarketingimstationrenEinzelhandel, title = "Mobile Marketing im stationären Einzelhandel", subtitle = "Ansätze und kritische Betrachtung des Location-Based-Marketing", author = "Jan {Simon}", year = "2015", publisher = "GRIN Verlag", address = "München, Germany", url = "https://www.hausarbeiten.de/document/307198" }