RT Journal Article SR Electronic T1 Duration, nonlinearity, and bond portfolio performance JF The Journal of Portfolio Management FD Institutional Investor Journals SP 37 OP 41 DO 10.3905/jpm.1981.408801 VO 7 IS 3 A1 Peter O. Dietz A1 H. Russell Fogler A1 Anthony U. Rivers YR 1981 UL https://pm-research.com/content/7/3/37.abstract AB