@phdthesis{Yuan2015,
  author      = {Shuonan Yuan},
  title       = {Determining the Structure of Diversification},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-40b9-7fff/},
  year        = {2015},
}