@phdthesis{Welter2004,
  author      = {Birgit Maria Welter},
  title       = {Einfluss des Katarakt-Grades auf die optische Biometrie},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {2004},
}