• 

  Philipps-Universität Marburg: Forschungsbericht

  https://web.archive.org/web/20081206001500/http://www.tzm-marburg.de/forschung-info/forschungsbericht/inst1_97.cfm?FB=15&Institu

  Forschungsbericht der Philipps-Universität Marburg

• 

  Philipps-Universität Marburg: Forschungsbericht

  https://web.archive.org/web/20081206001500/http://www.tzm-marburg.de/forschung-info/forschungsbericht/inst1_97.cfm?FB=15&Institut=121

  Forschungsbericht der Philipps-Universität Marburg

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