@phdthesis{Ibrahim2015,
  author      = {Sani Ibrahim},
  title       = {{\´E}volution des paysages dunaires fix{\´e}s par la v{\´e}g{\´e}tation au Niger},
  type        = {doctoralthesis},
  pages       = {171},
  school      = {Universit{\"a}t W{\"u}rzburg},
  doi       = {10.25972/OPUS-12652},
  year        = {2015},
}