@phdthesis{Kragel2005,
  author      = {Bret Kragel},
  title       = {Streamline Diffusion POD Models in Optimization},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-d377-f9e2},
  year        = {2005},
}