@phdthesis{Hansen1984,
  author      = {Hans J. Hansen},
  title       = {Betriebsvereinbarungsbezogene Besitzstands- und Effektivklauseln},
  type        = {doctoralthesis},
  pages       = {XXV, 152},
  school      = {Universit{\"a}t Augsburg},
  year        = {1984},
}