@inproceedings{Ritsos-et-al-Eurowearable2003,
  author = {Ritsos, Panagiotis D. and Johnston, David J. and Clark, Christine and Clark, Adrian F.},
  title = {Engineering an augmented reality tour guide},
  booktitle = {Eurowearable, 2003. IEE},
  year = {2003},
  pages = {119-124}
}