@Inproceedings{pereira07bnaic,
  author = {da Costa Pereira, C. and Tettamanzi, A.},
  title  = {Towards a Framework for Goal Revision},

  year   = {2006},
  number = {},
  url    = {http://www.dti.unimi.it/~pereira/bnaic2006_cameraready.pdf},

  const  = {\ text}
}