@phdthesis{Scheer2004,
  author      = {Martina Scheer},
  title       = {Fahrradtourismus im Sankt Wendeler Land},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-0620-a5b7/},
  year        = {2004},
}