@article{Kaltenbrunner2010PMC,
  title =	 "Urban cycles and mobility patterns: Exploring and
                  predicting trends in a bicycle-based public
                  transport system",
  author =	 "Andreas Kaltenbrunner and Rodrigo Meza and Jens
                  Grivolla and Joan Codina and Rafael Banchs",
  journal =	 "Pervasive and Mobile Computing",
  volume =	 6,
  number =	 4,
  pages =	 "455--466",
  year =	 2010,
  issn =	 "1574-1192",
  doi =		 "DOI: 10.1016/j.pmcj.2010.07.002"
}