@inbook{26260,
  author       = {{Mahnken, Rolf}},
  booktitle    = {{IUTAM Symposium on Progress in the Theory and Numerics of Configurational Mechanics}},
  issn         = {{1875-3507}},
  title        = {{{On Crack Analysis of Functionally Graded Materials with Material Forces}}},
  doi          = {{10.1007/978-90-481-3447-2_6}},
  year         = {{2009}},
}