@phdthesis{Schumm2008,
  author      = {Marcel Schumm},
  title       = {ZnO-based semiconductors studied by Raman spectroscopy: semimagnetic alloying, doping, and nanostructures},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {2008},
}