@article{I.2007,
author = {I., Jung and Kulldorff, M. and Klassen, A.},
title= {A spatial scan statistic for ordinal data},
year = {2007},
doi = {10.1002/sim.2607},
journal = {Statistics in Medicine},
volume = {26},
number = {7},
pages = {1594--1607},
}