@mastersthesis{Revellio2017,
  author      = {Ferdinand Paul Revellio},
  title       = {Closing Loops in the Circular Economy - A Make or Buy Analysis for the Smartphone Industry},
  type        = {masterthesis},
  school      = {Leuphana Universit{\"a}t L{\"u}neburg, Universit{\"a}tsbibliothek der Leuphana Universit{\"a}t L{\"u}neburg},
  year        = {2017},
}