- Author: Ауэрман Л.Я. Коровин Ф.Н. Нудельман Г.Э.
- Language: Русский
- Author: Villette J. (Ed.)
- Language: French
- Author: Дубцов Г.Г.
- Language: Русский
- Author: Buehler E.
- Language: English
- Author: Reyes M. Astocondor M. Fuentes N.
- Language: Spanish