@phdthesis{Roennberg2010,
  author      = {Michael R{\"o}nnberg},
  title       = {Bedeutung der Spezifikation f{\"u}r Ratingmodelle},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {2010},
}