@phdthesis{Eckstein2019,
  author      = {Klaus Eckstein},
  title       = {Linear and Nonlinear Spectroscopy of Doped Carbon Nanotubes},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  doi       = {10.25972/OPUS-18897},
  year        = {2019},
}