- Author: Karl Heinz Marquardt
- Language: English
- Year: 2005
- Author: Karl Heinz Marquardt
- Language: English
- Year: 2001
- Author: Karl Heinz Marquardt
- Language: English
- Year: 2003
- Author: KARL HEINZ MARQUARDT
- Language: English
- Year: 2005
- Author: Karl Heinz Marquardt
- Language: English
- Year: 2010
- Author: Karl Heinz Marquardt
- Language: English
- Year: 2005
- Author: Karl Heinz Marquardt
- Language: English
- Year: 1998
- Author: Karl Heinz Marquardt
- Language: English
- Year: 2001
- Author: Karl Heinz Marquardt
- Language: English
- Year: 1998