@phdthesis{Ruch2010,
  author      = {Jo{\"e}l Ruch},
  title       = {Volcano deformation analysis in the Lazufre area (central Andes) using geodetic and geological observations},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Potsdam},
  year        = {2010},
}