This site contains papers by Alain Bertaud. We already have some of his work in Mendeley. However, this website documents his complete work and many of the papers are very useful for understanding spatial planning issues in different regions.
Disclaimer: This web site contains data tables, figures, maps, analyses and technical notes from the 2010 Revision of the World Population Prospects. These documents do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.