@mastersthesis{Claessens2013,
  author      = {Christine Claessens},
  title       = {Fokussier- und Abbildungseigenschaften von Quadrupoltriplettlinsen},
  type        = {masterthesis},
  pages       = {119},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2013},
}