@phdthesis{Wallis1996,
  author      = {Michael Wallis},
  title       = {The German government's Aussiedler policy : 1988-1992},
  type        = {doctoralthesis},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  url       = {https://dspace.lboro.ac.uk/dspace-jspui/handle/2134/11021},
  year        = {1996},
}