- Author: Peter Anderson, Georg Wiessala, Christopher Williams
- Language: English
- Year: 2000
- Author: Georg Wiessala
- Language: English
- Year: 2011
- Author: Peter Anderson Georg Wiessala
- Language: English
- Year: 2007
- Author: Georg Wiessala
- Language: English
- Year: 2006
- Author: Georg Wiessala John Wilson Pradeep Taneja
- Language: English
- Year: 2009