RT Journal Article SR Electronic T1 Elementary Growth Model Valuation Expressions for Fixed-Rate Mortgage Pools and Derivatives JF The Journal of Fixed Income FD Institutional Investor Journals SP 68 OP 79 DO 10.3905/jfi.1992.408045 VO 2 IS 1 A1 Thomas J. O'Brien YR 1992 UL https://pm-research.com/content/2/1/68.abstract AB