@phdthesis{Allroggen2015,
  author      = {Niklas Allroggen},
  title       = {Observation of subsurface flow from the surface : applications of ground-penetrating radar},
  type        = {doctoralthesis},
  pages       = {67},
  school      = {Universit{\"a}t Potsdam},
  year        = {2015},
}