@article{RoulSchinnerKassner2011,
  author    = {Pradip Roul and Alexander Schinner and Klaus Kassner},
  title     = {Simulation of the strain distribution under a two-dimensional sand pile},
  journal   = {Powder technology : an international journal on the science and technology of wet and dry particulate systems},
  volume    = {214},
  number    = {3},
  pages     = {406 -- 414},
  doi       = {10.1016/j.powtec.2011.08.039},
  year      = {2011},
}