@INBOOK{Krohn2005a,
  pages = {237-245},
  title = {Collaborative Sensing in a Retail Store Using Synchronous Distributed
	Jam Signalling},
  publisher = {Springer Verlag},
  year = {2005},
  editor = {Lecture Notes in Computer Science (LNCS) 3468},
  author = {Albert Krohn and Tobias Zimmer and Michael Beigl and Christian Decker},
  month = {May},
  note = {Munich, Germany},
  booktitle = {International Conference on Pervasive Computing (Pervasive) 2005},
  ibrauthors = {beigl},
  ibrgroups = {dus},
  url = {http://www.teco.edu/~michael/publication/pervasive2005.pdf}
}