@phdthesis{Steffens2009,
  author      = {Reinhard Steffens},
  title       = {Mixed volumes, mixed Ehrhart theory and applications to tropical geometry and linkage configurations},
  type        = {doctoralthesis},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2009},
}