RT Journal Article SR Electronic T1 The Volatility of Interest Rates Across Maturities and Frequencies JF The Journal of Fixed Income FD Institutional Investor Journals SP 27 OP 31 DO 10.3905/jfi.1998.408251 VO 8 IS 3 A1 Gregory Koutmos YR 1998 UL https://pm-research.com/content/8/3/27.abstract AB