@Article{ 
  giamarmod10,
  author = { Giaquinta, Mariano and Mariano, Paolo Maria and Modica, Giuseppe },
  title = { A variational problem in the mechanics of complex materials },
  journal = { DCDS-A },
  year = { 2010 },
  volume = { 28 },
  pages = { 519-553 },
  URL = { http://cvgmt.sns.it/paper/825/ },
  note = { cvgmt preprint}
}