@article{Besag1977,
author = {Besag, J. and Diggle, P.J.},
title= {Simple Monte Carlo Tests for Spatial Pattern},
year = {1977},
doi = {10.2307/2346974},
journal = {Journal of the Royal Statistical Society: Series C (Applied Statistics).},
volume = {26},
number = {3},
pages = {327--333},
}