@phdthesis{Heubach2012,
  author      = {Katja Heubach},
  title       = {The socio-economic importance of non-timber forest products for rural livelihoods in West African savanna ecosystems: current status and future trends},
  type        = {doctoralthesis},
  pages       = {143},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2012},
}