MAP20100088722 Kielholz, Walter Insurance derivatives and securitization : new hedging perspectives for the US cat insurance market / Walter Kielholz and Alex Durrer En: Geneva papers on risk and insurance : issues and practice. - Geneva : The Geneva Association, 1976- = ISSN 1018-5895. - Tomo 22 Número 1 - 1997 I. Durrer, Alex .