- Author: Berndt Hamm (editor), Heiko A. Oberman (editor)
- Language: German
- Year: 1983
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- Language: German
- Year: 2021
- Author: Berndt Hamm (editor), Frank Rexroth (editor), Christine Wulf (editor)
- Language: German
- Year: 2021
- Author: Berndt Hamm (editor) Thomas Lentes (editor)
- Language: German
- Year: 2000