RT Journal Article SR Electronic T1 Risk Factor Analysis and Portfolio Immunization in the Italian Bond Market JF The Journal of Fixed Income FD Institutional Investor Journals SP 51 OP 58 DO 10.3905/jfi.1994.408113 VO 4 IS 2 A1 Rita L. D'ecclesia A1 Stavros A. Zenios YR 1994 UL https://pm-research.com/content/4/2/51.abstract AB