@phdthesis{Jessen2007,
  author      = {Olaf Jessen},
  title       = {"Preußens Napoleon"? : Ernst von R{\"u}chel ; 1754-1823 ; Krieg im Zeitalter der Vernunft},
  type        = {doctoralthesis},
  pages       = {490 S.},
  year        = {2007},
}