@techreport{Smeeding2008,
author = {Smeeding, T.M. and Gao, Q. and Saunders, P.  and Wing, C. },
title= {Elder poverty in an ageing world : conditions of social vulnerability and low income for women in rich and middle-income nations},
year = {2008},
publisher = {Luxembourg Income Study},
number = {Working Paper 497},
}