@article{2471,
  author = {Jeong-Ho Kim and Glaucio Paulino},
  title = {Mixed-mode J-integral formulation and implementation using graded elements for fracture analysis of nonhomogeneous orthotropic materials},
  year = {2003},
  journal = {Mechanics of Materials},
  volume = {35},
  number = {1-2},
  pages = {107{\textendash}128},
  publisher = {Elsevier},
}