M. Aehnelt, and B. Urban. HCI in Business: First International Conference, HCIB 2014, Held as Part of HCI International 2014, Heraklion, Crete, Greece, 8527, Cham, (2014)
M. Müller. Privacy and Identity Management for Emerging Services and Technologies, volume 421 of IFIP Advances in Information and Communication Technology, Springer, Heidelberg, (2015)