@phdthesis{Freiberg2004,
  author      = {Nicole Freiberg},
  title       = {Rationales Herdenverhalten - Theorie, Empirie und L{\"o}sungsans{\"a}tze},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {2004},
}