@phdthesis{Weibelzahl2004,
  author      = {Stephan Weibelzahl},
  title       = {Evaluation of Adaptive Systems},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-f932-ae0a/},
  year        = {2004},
}