
- Author: INSTAP Academic Press
- Language: English
- Year: 2016

- Author: Donald White
- Language: English
- Year: 2002

- Author: Philip P. Betancourt
- Language: English
- Year: 2009

- Author: Kostandinos S. Christakis
- Language: English
- Year: 2008

- Author: Philip P. Betancourt
- Language: English
- Year: 2015