@article{Rabe-Hesketh2006,
author = {Rabe-Hesketh, S. and Skrondal, A.},
title= {Multilevel modelling of complex survey data},
year = {2006},
doi = {10.1111/j.1467-985X.2006.00426.x},
volume = {169},
number = {4},
pages = {805--827},
}