@techreport{United Nations2007,
author = {United Nations},
title= {World Population Prospects: The 2006 Revision and World Urbanization Prospects: The 2005 Revision},
year = {2007},
URL = {http://esa.un.org/unpp/index.asp?panel=2},
publisher = {United Nations, Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat},
address = {New York},
}