RT Journal Article SR Electronic T1 Spread Immunization JF The Journal of Investing FD Institutional Investor Journals SP 49 OP 56 DO 10.3905/joi.4.3.49 VO 4 IS 3 A1 Martin L. Leibowitz A1 Stanley Kogelman A1 Lawrence N. Bader YR 1995 UL https://pm-research.com/content/4/3/49.abstract AB