PT - JOURNAL ARTICLE AU - Robert B. Perry TI - Mortgage Portfolio Prepayment Rates AID - 10.3905/jfi.1992.408050 DP - 1992 Sep 30 TA - The Journal of Fixed Income PG - 21--28 VI - 2 IP - 2 4099 - https://pm-research.com/content/2/2/21.short 4100 - https://pm-research.com/content/2/2/21.full