- Author: Sergio Boffa
- Language: English
- Year: 2004
- Author: John D. Grainger
- Language: English
- Year: 2006
- Author: Sergio Boffa
- Language: English
- Year: 2004
- Author: Sergio Boffa
- Language: English
- Year: 2004
- Author: J.F. Verbruggen
- Language: English
- Year: 2002