RT Journal Article SR Electronic T1 A Note on Approximating Bond Price Sensitivity Using Duration and Convexity JF The Journal of Fixed Income FD Institutional Investor Journals SP 95 OP 98 DO 10.3905/jfi.1995.408123 VO 4 IS 4 A1 Joel R. Barber YR 1995 UL https://pm-research.com/content/4/4/95.abstract AB