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2. Human Mortality Database, Univ. of California, Berkeley (USA) and MPI of Demographic Research (Germany), http://www.mortality.org (2003)
3. J.W. Curtsinger, H.H. Fukui, D.R. Townsend, J.W. Vaupel: Science 258, 461 (1992)
4. J.R. Carey: Applied demography for biologists (Oxford university press, New York 1993)
5. J.C. Jiang, E. Jaruga, M.V. Repnevskaya, S.M. Jazwinski: FASEB J.14, 2135 (2000)