RT Journal Article SR Electronic T1 Immunized bond portfolios in portfolio protection JF The Journal of Portfolio Management FD Institutional Investor Journals SP 63 OP 68 DO 10.3905/jpm.1988.409135 VO 14 IS 2 A1 H. Gifford Fong A1 Eric M. P. Tang YR 1988 UL https://pm-research.com/content/14/2/63.abstract AB