@phdthesis{Bretz2006,
  author      = {Thomas Bretz},
  title       = {Observations of the Active Galactic Nucleus 1ES1218+304 with the MAGIC-telescope},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {2006},
}