
- Author: Camilo J. Cela Conde Francisco J. Ayala
- Language: Spanish
- Year: 2001

- Author: Camilo J. Cela Conde Francisco J. Ayala
- Language: Spanish
- Year: 2013

- Author: Camilo J. Cela-Conde Francisco J. Ayala
- Language: English
- Year: 2007

- Author: Camilo J. Cela-Conde Francisco J. Ayala
- Language: English
- Year: 2007

- Author: Camilo J. Cela-Conde Francisco J. Ayala
- Language: English
- Year: 2007