@Article{roth:syst,
  author = 	 {Camille Roth},
  title = 	 {Syst\`emes complexes sociaux et validation empirique},
  journal = 	 {Soci\'et\'es},
  year = 	 2007,
  volume =	 98,
  number =	 4,
  pages =	 {53--64}
}