RT Journal Article SR Electronic T1 Measuring the risk of foreign bonds JF The Journal of Portfolio Management FD Institutional Investor Journals SP 56 OP 61 DO 10.3905/jpm.1991.409322 VO 17 IS 2 A1 Steven I. Dym YR 1991 UL https://pm-research.com/content/17/2/56.abstract AB