@Article{ 
  ConGarMas13,
  author = { Conti, Sergio and Garroni, Adriana and Massaccesi, Annalisa },
  title = { Modeling of dislocations and relaxation of functionals on 1-currents
  with discrete multiplicity },
  journal = { Calc. Var. Partial Differential Equations },
  year = { 2015 },
  volume = { 54 },
  number = { 2 },
  pages = { 1847-1874 },
  URL = { http://cvgmt.sns.it/paper/2296/ },
  note = { cvgmt preprint}
}