@INPROCEEDINGS{Beigl2003.4,
  author = {Christian Decker and Uwe Kubach and Michael Beigl},
  title = {Revealing the Retail Black Box by Interaction Sensing},
  booktitle = {IWSAWC 2003, Providence, Rhode Island, Proceedings of the 23rd International
	Conference on Distributed Computing Systems, IEEE Computer Society},
  year = {2003},
  pages = {328-333},
  ibrauthors = {beigl},
  ibrgroups = {dus},
  url = {http://www.ibr.cs.tu-bs.de/users/beigl/publication/iwsawc03.pdf}
}