@article{Langford1999,
author = {Langford, I. H. and Leyland, A. H. and Rasbash, J. and Goldstein, H. },
title= {Multilevel modelling of the geographical distributions of diseases},
year = {1999},
doi = {10.1111/1467-9876.00153},
journal = {Journal of the Royal Statistical Society},
volume = {C},
number = {48},
pages = {253--268},
}