пользуйтесь гуглом!http://ru.wikipedia.org/wiki/%D0%A1%D0%BE%D0%BB%D0%BE%D0%B2%D1%8C%D1%91%D0%B2,_%D0%92%D1%8F%D1%87%D0%B5%D1%81%D0%BB%D0%B0%D0%B2_%D0%92%D0%B0%D0%BB%D0%B5%D1%80%D1%8C%D0%B5%D0%B2%D0%B8%D1%87