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- Language: Spanish
- Year: 2007

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- Language: Spanish
- Year: 2006

- Author: Luiz Carlos Chiesa
- Language: Spanish
- Year: 2007

- Author: Santiago Vazquez Folgueira
- Language: Spanish
- Year: 2001

- Author: Pablo Castro Girona
- Language: Spanish
- Year: 2005

- Author: Frederic Delavier
- Language: Spanish
- Year: 2004

- Author: Rosemary A. Payne
- Language: Spanish
- Year: 2005