- Author: Perelman Ya.I.
- Language: English
- Year: 1984
- Author: Perelman Ya.I.
- Language: Spanish
- Author: Perelman Ya.I.
- Language: English
- Author: Perelman Ya.I.
- Language: Spanish
- Author: Perelman Ya.I.
- Language: Spanish
- Author: Perelman Ya.I.
- Language: Spanish
- Year: 2001
- Author: Perelman Ya.I.
- Language: Spanish
- Author: Perelman Ya.I.
- Language: Spanish