1.		Introductory statistics with applications in general insurance / I. B. Hossack, J. H. Pollard, Benjamin Zehnwirth Autor: HOSSACK, I. B. Data Publicação: 1983
2.		The analysis of mortality and other actuarial statistics / B. Benjamin, J. H. Pollard Autor: BENJAMIN, B. Data Publicação: 1980