@article{Alderman2001,
author = {Alderman, H. and Berhman, J.R. and Kohler, H.-P. and Maluccio, J. and Watkins, S.},
title= {Attrition in Longitudinal Household Survey Data: Some Tests for Three Developing-Country Samples},
year = {2001},
doi = {10.4054/DemRes.2001.5.4 },
journal = {Demographic Research},
volume = {5},
number = {4},
pages = {79--124},
}