RT Journal Article SR Electronic T1 The use of futures in immunized portfolios JF The Journal of Portfolio Management FD Institutional Investor Journals SP 51 OP 58 DO 10.3905/jpm.1985.409000 VO 11 IS 2 A1 Yawitz, Jess B. A1 Marshall, William J. YR 1985 UL http://jpm.pm-research.com/content/11/2/51.abstract AB