BibTeX

@incollection{lange09reference,
  author = {Ralph Lange and Harald Weinschrott and Lars Geiger and Andre Blessing
	and Frank D{ü}rr and Kurt Rothermel and Hinrich Sch{ü}tze},
  title = {On a Generic Uncertainty Model of Position Information},
  booktitle = {Quality of Context},
  publisher = {Springer},
  year = {2009},
  volume = {5786},
  series = {Lecture Notes in Computer Science},
  pages = {76-87}
}