@phdthesis{Barth2012,
  author      = {Magnus Barth},
  title       = {Entwicklung und {\"U}berpr{\"u}fung eines neuen E-Learning-Systems f{\"u}r die Thoraxsonographie in der Intensivmedizin},
  type        = {doctoralthesis},
  pages       = {96},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2012},
}