RT Journal Article SR Electronic T1 Fixed–income volatility management JF The Journal of Portfolio Management FD Institutional Investor Journals SP 41 OP 46 DO 10.3905/jpm.1991.409345 VO 17 IS 4 A1 H. Gifford Fong A1 Oldrich A. Vasicek YR 1991 UL https://pm-research.com/content/17/4/41.abstract AB