@phdthesis{Wagner2016,
  author      = {Dominik Pascal Manfred Wagner},
  title       = {A meta-analysis about the relationship between family firms and firm performance},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-32b6-23bf/},
  year        = {2016},
}