@phdthesis{Czempas2013,
  author      = {Alexander Czempas},
  title       = {Die B{\"u}ndelung von Payments for Environmental Services als M{\"o}glichkeit eines effizienten Schutzes von Biodiversit{\"a}t},
  type        = {doctoralthesis},
  pages       = {XV, 358},
  school      = {Universit{\"a}t Potsdam},
  year        = {2013},
}