@astra http://ru.wikipedia.org/wiki/%D0%9A%D1%80%D0%B0%D1%81%D0%BD%D1%8B%D0%B9_%D0%B3%D0%B8%D0%B4_%D0%9C%D0%B8%D1%88%D0%BB%D0%B5%D0%BD