- Author: Tsay Ruey S
- Language: English
- Year: 2005
- Author: Shumway Robert H., Stoffer David S
- Language: English
- Year: 2008
- Author: Jenkins Gwilym M., Watts Donald G.
- Language: English
- Year: 1968
- Author: Jenkins Gwilym M., Watts Donald G.
- Language: English
- Year: 1968