- Author: Roberto Gonzalo, Karl J. Habermann
- Language: English
- Year: 2012
- Author: Roberto Gonzalo, Karl J. Habermann, Y. Minssart
- Language: French
- Year: 2008
- Author: Karl J. Habermann, Roberto Gonzalo
- Language: German
- Year: 2006
- Author: Helmut C. Schulitz, Werner Sobek, Karl J. Habermann
- Language: English
- Year: 2012
- Author: Roberto Gonzalo Karl J. Habermann (auth.)
- Language: French
- Year: 2008
- Author: Helmut C. Schulitz Werner Sobek Karl J. Habermann
- Language: English
- Year: 2000
- Author: Roberto Gonzalo Karl J. Habermann (auth.)
- Language: French
- Year: 2008
- Author: Roberto Gonzalo Karl J. Habermann
- Language: French
- Year: 2008