@phdthesis{Gradinger2006,
  author      = {Sebastian Gradinger},
  title       = {Service Clubs - zur Institutionalisierung von Solidarit{\"a}t und Sozialkapital},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-3851-a1a4},
  year        = {2006},
}