11. Dual-currency bonds raise money in one currency and pay back the principal in another. 12. Officials at the Russian central bank responsible for foreign-currency bonds didn't return phone calls. 13. Investors estimate Korean corporations have about $ 20 billion in foreign currency bonds outstanding. 14. Dual-currency bonds are bonds that pay interest in one currency and repay principal in another. 15. Japanese security houses have been pricing dual-currency bond issues in the swaps market, Rogers said. 16. Dual-currency bonds are bonds that raise money in one currency and pay back principal in another. 17. Moody's also downgraded Malaysia's short-term foreign currency bonds . 18. On Nov . 28, Moody's lowered Korea's foreign-currency bond rating two notches from " A1 ." 19. It later allowed account holders to withdraw money in rupees or in long-term foreign currency bonds . 20. Dual-currency bonds are bonds that raise money in one currency but pay back principal in another.