@phdthesis{Eichhorn2009,
  author      = {G{\"o}tz Eichhorn},
  title       = {Travels in a changing world : flexibility and constraints in migration and breeding of the barnacle goose},
  type        = {doctoralthesis},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2009},
}