- Author: Fulton William, Harris Joe
- Language: English
- Year: 1999
- Author: Murty Maruti Ram
- Language: English
- Year: 2001
- Author: William Fulton Joe Harris
- Language: English
- Year: 2004
- Author: M. Ram Murty
- Language: English
- Year: 2000
- Author: Reinhold Remmert
- Language: English
- Year: 1991
- Author: William Fulton, Joe Harris
- Language: English
- Year: 1991
- Author: William Fulton Joe Harris
- Language: English
- Year: 1991
- Author: William Fulton Joe Harris
- Language: English
- Year: 1991
- Author: Reinhold Remmert R.B. Burckel
- Language: English
- Year: 1990