@Incollection{atzmueller2012facetoface,
  author = {Atzmueller, Martin and Doerfel, Stephan and Hotho, Andreas and Mitzlaff, Folke and Stumme, Gerd},
  title  = {Face-to-Face Contacts at a Conference: Dynamics of Communities and Roles},

  year   = {2012},
  number = {},
  url    = {},

  const  = {\ text}
}