- Author: Брабич В.Л.
- Language: Русский
- Author: Чертков А.Д.
- Language: Русский
- Author: Чертков А.
- Language: Русский
- Author: Чистяков А.
- Language: Русский
- Author: Сидоренко В.А. Шонов И.В.
- Language: Русский
- Author: Mata Andres M.
- Language: Spanish
- Author: Santos Enrique Rubio.
- Language: Spanish