M. Khan. University of Kassel, Fachbereich 16: Elektrotechnik/Informatik, Distributed Systems Group, Wilhelmshöher Allee 73, 34121 Kassel, Germany, (March 2010)
A. Prinz, P. Menschner, M. Altmann, and J. Leimeister. 3. International Workshop on Near Field Communication (NFC) 2011, 3, Hagenberg, Austria (accepted for publication), (2011)209 (01-11).