
- Author: Sterling David
- Language: English
- Year: 2014

- Author: Rodríguez Ochoa Patricia, Gómez Marín Edgar, Cerda González Myriam, Knórosov I︠U︡. V.
- Language: Spanish
- Year: 1999

- Author: Rodríguez Ochoa Patricia, Gómez Marín Edgar, Cerda González Myriam, Knórosov I︠U︡. V.
- Language: Spanish
- Year: 1999