@phdthesis{Friedrich2012,
  author      = {Uta Friedrich},
  title       = {Impact of nitrogen deposition on the functioning of heathland ecosystems},
  type        = {doctoralthesis},
  pages       = {138},
  school      = {Leuphana Universit{\"a}t L{\"u}neburg, Universit{\"a}tsbibliothek der Leuphana Universit{\"a}t L{\"u}neburg},
  year        = {2012},
}