@techreport{Pritchett2010,
author = {Pritchett, L.  and Viarengo, M. },
title= {Explaining the cross-national time series variation in life expectancy: Income, women's education, shifts, and what else?},
year = {2010},
publisher = {United Nations Development Program},
address = {New York},
institution = {Human Development Research Paper},
number = {No. 2010/31},
}