@CONFERENCE{Krohn2004a,
  author = {Albert Krohn and Michael Beigl and Christian Decker and Uwe Kochend�rfer
	and Philip Robinson and Tobias Zimmer},
  title = {Inexpensive and Automatic Calibration for Acceleration Sensors},
  booktitle = {2nd International Symposium on Ubiquitous Computing Systems (UCS
	2004)},
  year = {2004},
  editor = {Keio University Mita Campus, Tokyo, Japan, Information Processing
	Society of Japan (IPSJ)},
  pages = {148-154},
  month = {November 8-9},
  ibrauthors = {beigl},
  ibrgroups = {dus},
  url = {http://www.teco.edu/~michael/publication/ucs2004.pdf}
}