
- Author: Richard Delgado, Jean Stefancic
- Language: English
- Year: 2017

- Author: Richard Delgado Jean Stefancic
- Language: English
- Year: 2000

- Author: Richard Delgado Jean Stefancic
- Language: English
- Year: 2005

- Author: Richard Delgado Jean Stefancic
- Language: English
- Year: 2005

- Author: Richard Delgado Jean Stefancic
- Language: English
- Year: 2001