@book{Elliot2001,
author = {Elliot, P. and Wakefield, J. and Best, N. and Briggs, D.},
title= {Spatial epidemiology: Methods and applications},
year = {2001},
doi = {10.1093/acprof:oso/9780198515326.001.0001},
address = {Oxford, UK},
publisher = {Oxford University Press},
}