@Article{ 
  commarneg,
  author = { Comi, Claudia and Mariani, Stefano and Negri, Matteo and Perego, Umberto },
  title = { A 1D variational formulation for quasi-brittle fracture },
  journal = { Journal of Mechanics of Materials and Structures },
  year = { 2006 },
  volume = { 1 },
  number = { 8 },
  pages = { 1323-1343 },
  URL = { http://cvgmt.sns.it/paper/633/ },
  note = { cvgmt preprint}
}