RT Journal Article SR Electronic T1 Pricing Catastrophe Insurance Futures and Call Spreads JF The Journal of Fixed Income FD Institutional Investor Journals SP 46 OP 57 DO 10.3905/jfi.1995.408128 VO 4 IS 4 A1 J. David Cummins A1 Hélyette Geman YR 1995 UL https://pm-research.com/content/4/4/46.abstract AB