@phdthesis{Kretschmer2017,
  author      = {Marlene Kretschmer},
  title       = {Disentangling causal pathways of the stratospheric polar vortex},
  type        = {doctoralthesis},
  pages       = {171},
  school      = {Universit{\"a}t Potsdam},
  year        = {2017},
}