PT - JOURNAL ARTICLE AU - Lee R Thomas AU - Ram Willner TI - Measuring the Duration of an Internationally Diversified Bond Portfolio AID - 10.3905/jpm.1997.409628 DP - 1997 Oct 31 TA - The Journal of Portfolio Management PG - 93--99 VI - 24 IP - 1 4099 - https://pm-research.com/content/24/1/93.short 4100 - https://pm-research.com/content/24/1/93.full