@techreport{Rutstein2008,
author = {Rutstein, S.O.},
title= {The DHS wealth index: Approaches for rural and urban areas},
year = {2008},
URL = {http://dhsprogram.com/pubs/pdf/WP60/WP60.pdf},
publisher = {DHS (Working Papers 60)},
address = {Calverton},
}