http://ru.wikipedia.org/wiki/%D0%A2%D1%80%D0%B8%D0%B4%D1%86%D0%B0%D1%82%D1%8C_%D1%88%D0%B5%D1%81%D1%82%D1%8C_%D0%B4%D1%80%D0%B0%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D1%85_%D1%81%D0%B8%D1%82%D1%83%D0%B0%D1%86%D0%B8%D0%B9У меня добрая половина задействована