@book { UsabilityAnalysedesInternetauftrittsderFirmaMAFITransportSystemeGmbH, title = "Usability Analyse des Internetauftritts der Firma MAFI Transport-Systeme GmbH", author = "Markus {Hartmann}", year = "2008", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836612555", url = "https://m.diplom.de/document/225752" }