@Article{ 
  scaschzan09,
  author = { Scardia, Lucia and Schlömerkemper, Anja and Zanini, Chiara },
  title = { Boundary layer energies for nonconvex discrete systems },
  journal = { Math. Models Methods Appl. Sci. },
  year = { 2011 },
  volume = { 21 },
  number = { 4 },
  pages = { 777-817 },
  URL = { http://cvgmt.sns.it/paper/1237/ },
  note = { cvgmt preprint}
}