@phdthesis{Stello2012,
  author      = {Annika Stello},
  title       = {Grenzerfahrung. Interaktion und Kooperation im sp{\"a}tmittelalterlichen Schwarzmeerraum},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-2d90-49a6/},
  year        = {2012},
}