@phdthesis{Schuebel2003,
  author      = {Niels Sch{\"u}bel},
  title       = {Evaluation von Beobachtungsskalen zur Beurteilung musiktherapeutischer Improvisationen},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {2003},
}