RT Journal Article SR Electronic T1 A Two-Factor Interest Rate Model And Contingent Claims Valuation JF The Journal of Fixed Income FD Institutional Investor Journals SP 16 OP 23 DO 10.3905/jfi.1992.408053 VO 2 IS 3 A1 Francis A. Longstaff A1 Eduardo S. Schwartz YR 1992 UL https://pm-research.com/content/2/3/16.abstract AB