@phdthesis{Breuer2004,
  author      = {Lothar Breuer},
  title       = {Spatial Queues},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-0bb6-0bf8},
  year        = {2004},
}