@article{Kravdal2006,
author = {Kravdal, Ø.},
title= {A simulation-based assessment of the bias produced when using averages from small DHS clusters as contextual variables in multilevel models},
year = {2006},
doi = {10.4054/DemRes.2006.15.1},
journal = {Demographic Research},
volume = {15},
number = {1},
pages = {1--20},
}