- Author: Erjavec Jack
- Language: English
- Year: 2010
- Author: DiGiuseppe Maurice, Bruni Dan
- Language: English
- Year: 2012
- Author: Allen Gregory Sens, Peter John Stoett
- Language: English
- Year: 2005
- Author: DiGiuseppe Maurice
- Language: English
- Year: 2012
- Author: Wei Ha & Jixing Xu
- Language: English
- Year: 2006
- Author: Wei Ha & Jixing Xu
- Language: English
- Year: 2006
- Author: Wei Ha & Jixing Xu
- Language: English
- Year: 2006