- Author: Emilio Custodio Manuel Ramon Llamas
- Language: Spanish
- Year: 2001
- Author: Emilio Custodio Manuel Ramon Llamas
- Language: Spanish
- Year: 2001
- Author: Michael Begon John L. Harper, Colin R. Townsend
- Language: Spanish
- Year: 1986
- Author: Heinz Streble & Dieter Krauter
- Language: Spanish
- Year: 1987
- Author: Heinz Streble Dieter Krauter
- Language: Spanish
- Year: 1987
- Author: Mark O'shea Tim Halliday
- Language: Spanish
- Year: 2002
- Author: David Carter
- Language: Spanish
- Year: 1992
- Author: George McGavin
- Language: Spanish
- Year: 2000
- Author: Colin Harrison Alan Greensmith
- Language: Spanish
- Year: 1994