@phdthesis{Fryges2006,
  author      = {Helmut Fryges},
  title       = {High-Tech Firms' Long-Term Export Behaviour},
  type        = {doctoralthesis},
  pages       = {214 + Anhang},
  school      = {Leuphana Universit{\"a}t L{\"u}neburg, Universit{\"a}tsbibliothek der Leuphana Universit{\"a}t L{\"u}neburg},
  year        = {2006},
}