RT Journal Article SR Electronic T1 The Impact of Volatility on Duration of Amortizing Debt with Embedded Call Options JF The Journal of Fixed Income FD Institutional Investor Journals SP 87 OP 94 DO 10.3905/jfi.1998.408240 VO 8 IS 2 A1 Bryan Stanhouse A1 Duane R stock YR 1998 UL https://pm-research.com/content/8/2/87.abstract AB