@phdthesis{Fahl2004,
  author      = {Marco Fahl},
  title       = {Trust-region Methods for Flow Control based on Reduced Order Modelling},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-908b-671d},
  year        = {2004},
}