- Author: Klas Weman
- Language: English
- Year: 2003
- Author: Robert A. DiSilvestro
- Language: English
- Year: 2004
- Author: David G. Bucknall
- Language: English
- Year: 2005
- Author: Gene Mathers
- Language: English
- Year: 2002
- Author: Klas Weman
- Language: English
- Year: 2003
- Author: M J HillKnovel (Firm)
- Language: English
- Year: 1996
- Author: H.L.M. Lelieveld M.A. Mostert J. Holah Beverley White
- Language: English
- Year: 2003
- Author: Michele Lees
- Language: English
- Year: 2003
- Author: Gene Mathers
- Language: English
- Year: 2002
- Author: Peter C. Morris James H. Bryce
- Language: English
- Year: 2000