@article{Filmer2001,
author = {Filmer, D. and Pritchett, L.H.},
title= {Estimating Wealth Effects Without Expenditure Data-Or Tears: An Application to Educational Enrollments in States of India},
year = {2001},
journal = {Demography},
volume = {38},
number = {1},
pages = {115--132},
}