R. A. Weale Age and the Transmittance of the Human Crystalline Lens // Journal of Physiology 395 (1988): 577–587.
47
Olshansky The Demography of Aging; дополнительные данные по пирамиде популяции можно посмотреть на сайте http://populationpyramid.net.
48
M. E. Pollack Intelligent Technology for an Aging Population: The Use of AI to Assist Elders with Cognitive Impairment // AI Magazine (Summer 2005): 9–25. См. также Federal Deposit Insurance Corporation Economic Conditions and Emerging Risks in Banking: A Report to the FDIC Board of Directors, May 9, 2006, .
