@Article{ 
  brasol09a,
  author = { Braides, Andrea and Solci, Margherita },
  title = { Interfacial energies on Penrose lattices },
  journal = { Math. Mod. Meth. Appl. Sci. (M3AS) },
  year = { 2011 },
  volume = { 21 },
  pages = { 1193-1210 },
  URL = { http://cvgmt.sns.it/paper/921/ },
  note = { cvgmt preprint}
}