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Russian ruble - Wikipedia
USD/RUB Currency Exchange Rate & News - Google Finance
1 USD to RUB - US Dollars to Russian Rubles Exchange Rate - Xe
1 Russian ruble to US dollars Exchange Rate. Convert RUB/USD
1 RUB to USD - Russian Rubles to US Dollars Exchange Rate - Xe
US Dollar to Russian Ruble Exchange Rate Chart | Xe
RUB to USD Exchange Rate - Bloomberg.com
Ruble - Wikipedia
Russian Ruble - Quote - Chart - Historical Data - News
Ruble | Russian Currency, Exchange Rate, History & Value