PT - JOURNAL ARTICLE AU - Martin L. Leibowitz AU - William S. Krasker AU - Ardavan Nozari TI - Spread duration AID - 10.3905/jpm.1990.409272 DP - 1990 Apr 30 TA - The Journal of Portfolio Management PG - 46--53 VI - 16 IP - 3 4099 - https://pm-research.com/content/16/3/46.short 4100 - https://pm-research.com/content/16/3/46.full