- Author: Claudio Bravo-Ortega, Julian di Giovanni
- Language: English
- Year: 2005
- Author: Patrick A. Imam
- Language: English
- Year: 2008
- Author: Marcus Pramor, Natalia T. Tamirisa
- Language: English
- Year: 2006
- Author: Vicente Tuesta, Juan F. Rubio-Ramirez, Pau Rabanal
- Language: English
- Year: 2009
- Author: Benedict J. Clements, Herman Kamil
- Language: English
- Year: 2009