- Author: Manuel Moreno Fraginals Leonor Blum
- Language: English
- Year: 1984
- Author: Manuel Moreno Fraginals, Leonor Blum
- Language: English
- Year: 1984
- Author: Manuel Moreno Fraginals
- Language: English
- Year: 1976
- Author: Manuel Moreno Fraginals, Josep Fontana, Teresita Pedraza Moreno
- Language: Spanish
- Year: 2001