@book{BuderDresslerGewandetal.2004,
  author    = {Buder, Margret and Dreßler, Jutta and Gewand, Ulrich and Kaden, Klaus and L{\"u}dtke, Norbert and Richter, Dieter and Vogt, J{\"u}rgen and Weinert, Gudrun},
  title     = {Geografie : Hauptband Klasse 7 ; Ausgabe Sachsen},
  editor    = {Kulke, Elmar and Richter, Dieter},
  publisher = {Cornelsen},
  address   = {Berlin},
  isbn      = {3-06-040792-4},
  pages     = {144 S.},
  year      = {2004},
  language  = {de}
}
@phdthesis{Richter2008,
  author    = {Richter, Gudrun},
  title     = {Temperaturmessungen von Fumarolengasen zur kontinuierlichen {\"U}berwachung vulkanischer Aktivit{\"a}t : Analyse und Parametrisierung der Fumarolentemperaturen des Vulkans Merapi},
  address   = {Potsdam},
  pages     = {ii, 188 S. : Ill., graph. Darst.},
  year      = {2008},
  language  = {de}
}