@Article{ Iur12, author = { Iurlano, Flaviana }, title = { A density result for GSBD and its application to the approximation of brittle fracture energies }, journal = { Calc. Var. Partial Differential Equation }, year = { 2014 }, doi = { 10.1007/s00526-013-0676-7 }, volume = { 51 }, pages = { 315--342 }, URL = { http://cvgmt.sns.it/paper/2053/ }, note = { cvgmt preprint} }