- Author: M. Potápov, V. Alexándrov, P. Pasichenko
- Language: Spanish
- Year: 1986
- Author: Alexándrov V., Pasichenko P., Potápov M.
- Language: Spanish
- Year: 1986
- Author: M. Potápov - V. Alexándrov - P. Pasichenko
- Language: Spanish
- Year: 1986