@Article{AccorsiArecesRijke99a,
  author =       {Rafael Accorsi and Carlos Areces and Maarten de Rijke},
  title =        {An Approach to Feature Interaction via Stable Models},
  journal =      {Brazilian Electronic Journal on Mathematics of Computation},
  year =         1999,
  url =         {http://gmc.ucpel.tche.br/bejmc/num0/indice-num0.htm},
}