TitlePopulation bulletin of the United Nations. No. 31/32, 1991.
AccessFull text:un_1991_population_bulletin_31-32 - PDF ;
Age misreporting and its effects on adult mortality estimates in Latin America / Aimée R. Dechter and Samuel H. Preston -- South-to-North migration since 1960: the view from the North / Hania Zlotnik -- Assessing the effects of mortality reduction on population ageing / Shiro Horiuchi -- Relationships between population and environment in the rural areas of developing countries / United Nations Secretariat -- Historical population estimates for Egypt: a critical review / M.A. El-Badry -- International cooperation in the area of population / C. Stephen Baldwin.