O. Demetz, J. Weickert, A. Bruhn, and H. Zimmer. Proceedings of International Conference on Scale Space and Variational Methods in Computer Vision (SSVM 2011). Lecture Notes in Computer Science, 6667, Springer, (2012)
N. Memarovic, M. Langheinrich, and F. Alt. Tenth Annual IEEE International Conference on Pervasive Computing and Communications -- Workshop Proceedings, (2012)