@InProceedings{SCI:Gey2014a,
  author =    "T. Geymayer and M. Steinberger and A. Lex and M.
              Streit and and D. Schmalstieg",
  title =     "Show me the Invisible: Visualizing Hidden
              Content",
  booktitle = "Proceedings of the ACM SIGCHI Conference on Human
              Factors in Computing Systems (CHI '14)",
  pages =     "3705--3714",
  year =      "2014",
  series =    "CHI '14",
  publisher = "ACM",
  isbn =      "978-1-4503-2473-1",
  doi =       "10.1145/2556288.2557032",
  url =       "http://www.sci.utah.edu/publications/Gey2014a/2014_chi_hidden-content.pdf",
}