Burkhard Stiller, Man-Sze Li, Hans Schaffers: - Introduction - Trust and Security, Economic Incentives, Open Solutions; in: Alex Galis, Anatasius Gavras, Burkhard Stiller et al. (Edt.), "The Future Internet - FIA Book 2013", Springer, Berlin, Germany, No. 7858, May 2013, ISBN 978-3-642-38081-5, pp 33-36.