@Article{ 
  ansbra01,
  author = { Ansini, Nadia and Braides, Andrea },
  title = { Separation of scales and almost-periodic effects in the asymptotic behaviour of perforated periodic media. },
  journal = { Acta Appl. Math. },
  year = { 2001 },
  volume = { 65 },
  pages = { 59081 },
  URL = { http://cvgmt.sns.it/paper/1295/ },
  note = { cvgmt preprint}
}