@Misc{ 
  bra02a,
  author = { Braides, Andrea },
  title = { Gamma-convergence for Beginners },
  journal = { Oxford University Press, Oxford },
  year = { 2002 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1480/ },
  note = { cvgmt preprint}
}