- Author: Giorgio Israel Ana Millán Gasca
- Language: Italian
- Year: 2008
- Author: Giorgio Israel Ana Millán Gasca
- Language: Italian
- Year: 2008
- Author: Giorgio Israel Ana Millán Gasca (auth.)
- Language: English
- Year: 2002
- Author: Giorgio Israel Ana Millán Gasca
- Language: English
- Year: 2009