@article{kaltenbrunner2008IADIS,
  AUTHOR =	 "Andreas Kaltenbrunner and Vicen\c{c} G\'omez and
                  Ayman Moghnieh and Rodrigo Meza and Josep Blat and
                  Vicente L\'opez",
  YEAR =	 2008,
  TITLE =	 "Homogeneous temporal activity patterns in a large
                  online communication space",
  JOURNAL =	 "{IADIS International Journal on WWW/INTERNET}",
  VOLUME =	 6,
  NUMBER =	 1,
  PAGES =	 {61--76}
}