@article{Griffith2009,
author = {Griffith, D.A.},
title= {Modeling spatial autocorrelation in spatial interaction data: Empirical evidence from 2002 Germany journey-to-work flows},
year = {2009},
doi = {10.1007/s10109-009-0082-z},
journal = {Journal of Geographical System},
volume = {11},
pages = {117--140},
}