1. Handbook of Mathematical Functions;Abramowitz,1964
2. The market for ‘lemons’: quality uncertainty and the market mechanism;Akerlof;Quarterly Journal of Economics,1970
3. American Council of Life Insurers, 2000. American Council of Life Insurers Life Insurance Fact Book. American Council of Life Insurers, Washington, DC.
4. Life Insurance Products and Finance;Atkinson,2000
5. Bluhm, W.F. (Ed.), 2000. Group Insurance, 3rd ed. ACTEX Publications, Inc., Winstead, CT.