@phdthesis{Schmid2012,
  author      = {Timo Schmid},
  title       = {Spatial Robust Small Area Estimation applied on Business Data},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-8ae4-80bd/},
  year        = {2012},
}