Governance and Sustainability in Information Systems. Managing the Transfer and Diffusion of IT : IFIP WG 8.6 International Working Conference, Hamburg, Germany, September 22-24, 2011, Proceedings - Markus Nüttgens, Andreas Gadatsch, Karlheinz Kautz, Ingrid Schirmer, Nadine Blinn ((IFIP Advances in Information and Communication Technology))